2020 in arthropod paleontology

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This list of fossil arthropods described in 2020 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every kind that are scheduled to be described during the year 2020, as well as other significant discoveries and events related to arthropod paleontology that are scheduled to occur in the year 2020.

Arachnids

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
Epieremulus sidorchukae[1]	Sp. nov	In press	Arillo, Subías & Peñalver	Cretaceous	Asturian amber	Spain	A mite belonging to the group Oribatida and to the family Caleremaeidae
Mesozomus[2]	Gen. et sp. nov	Valid	Müller et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of Schizomida. Genus includes new species M. groehni.
Modisimus chiapanecus[3]	Sp. nov	In press	García-Villafuerte & Valdez-Mondragón	Miocene (Aquitanian)	Mexican amber	Mexico	A species of Modisimus
Neophyllobius electrus[4]	Sp. nov	Valid	Zmudzinski	Eocene	Baltic amber	Europe (Baltic Sea region)	A mite, a species of Neophyllobius.
Neophyllobius glaesus[4]	Sp. nov	Valid	Zmudzinski	Eocene	Baltic amber	Europe (Baltic Sea region)	A mite, a species of Neophyllobius.
Odontomegops[5]	Gen. et sp. nov	Valid	Guo et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Lagonomegopidae. Genus includes new species O. titan.
Parioscorpio[6]	Gen. et sp. nov		Wendruff et al.	Silurian (Telychian)	Brandon Bridge	United States	An early scorpion. The type species is P. venator.
Procheiridium[7]	Gen. et sp. nov	Valid	Porta et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A pseudoscorpion belonging to the family Cheiridiidae and the subfamily Pycnocheiridiinae. Genus includes new species P. judsoni.
Suraju[8]	Gen. et sp. nov	In press	Martine et al.	Permian (Guadalupian)	Teresina Formation	Brazil	A scorpion. Genus includes new species S. itayma.

Crustaceans

Newly named taxa

Malacostracans

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
Aliaplax[9]	Gen. et sp. nov	Valid	Pasini et al.	Early Pleistocene		Italy	A member of the family Goneplacidae. The type species is A. tyrsenorum.
Ancipitecancer[10]	Gen. et sp. nov	Valid	Pasini, Luque & Garassino	Pleistocene		Italy	A member of Xanthoidea sensu lato, of uncertain phylogenetic placement within that group. Genus includes new species A. collinsi.
Angusteryon[11]	Gen. et sp. nov	Valid	Audo & Furrer	Early Jurassic		Switzerland	A member of Polychelida, possibly belonging to the family Coleiidae. Genus includes new species A. oberlii.
Bournelyreidus shiranui[12]	Sp. nov	Valid	Ando in Ando et al.	Late Cretaceous (Cenomanian)	Enokuchi Formation	Japan	A lyreidid raninoid crab.
Caecorchestia[13]	Gen. et sp. nov	Valid	Hegna & Lazo-Wasem in Hegna et al.	Early Miocene	Mexican amber	Mexico	A member of Amphipoda belonging to the family Talitridae. Genus includes new species C. bousfieldi.
Callianassa reinhardpalorum[14]	Sp. nov	Valid	Hyžný	Miocene		Hungary Poland Slovakia	A species of Callianassa.
Callichirus santensis[15]	Sp. nov	In press	Hernáez, Buchmann & Santana	Late Pleistocene		Brazil	A species of Callichirus.
Cancer nancei[16]	Sp. nov	Valid	Bahman, Feldmann & Schweitzer	Miocene	St. Marys	United States	A species of Cancer
Cancer zahrae[16]	Sp. nov	Valid	Bahman, Feldmann & Schweitzer	Miocene	St. Marys	United States	A species of Cancer
Cherpihomola[17]	Gen. et sp. nov	Valid	Marangon & De Angeli	Oligocene (Rupelian)		Italy	A member of the family Homolidae. The type species is C. italica.
Collinscarcinus[18]	Gen. nov	Valid	Artal & van Bakel	Eocene (Ypresian)		Spain	A crab belonging to the family Xanthidae.
Daira corallina[19]	Sp. nov	Valid	Ferratges, Zamora & Aurell	Late Eocene		Spain
Dardanus cherpionensis[20]	Sp. nov	Valid	Marangon & De Angeli	Oligocene (Rupelian)	Ligure-Piemontese Basin	Italy	A species of Dardanus.
Dardanus faxensis[21]	Sp. nov	Valid	Jakobsen et al.	Paleocene (Danian)	Faxe Formation	Denmark	A species of Dardanus.
Discosalaputium[22]	Gen. et sp. nov	Valid	Schädel et al.	Late Triassic (Carnian)	Reingraben	Austria	A member of Isopoda belonging to the group Scutocoxifera. The type species is D. aschauerorum.
Dynomene collinsi[23]	Sp. nov	Valid	Ossó et al.	Eocene (Priabonian)		Spain	A crab belonging to the family Dynomenidae.
Eopolycheles[24]	Gen. et sp. nov	Valid	Gašparič et al.	Late Triassic (Carnian)		Slovenia	A member of the family Polychelidae. Genus includes new species E. cornuaureus.
Eryma moriedaorum[12]	Sp. nov	Valid	Ando et al.	Late Cretaceous (Cenomanian)	Enokuchi Formation	Japan	A member of the family Erymidae.
Etyus tresgalloi[25]	Sp. nov	Valid	Ossó & Moreno-Bedmar	Early Cretaceous (Aptian)		Spain	A crab belonging to the family Etyiidae.
Eupilumnus? vokesae[26]	Sp. nov	In press	Luque in Luque et al.	Miocene		Mexico	A crab.
Galathea tuscia[9]	Sp. nov	Valid	Pasini et al.	Early Pleistocene		Italy	A species of Galathea.
Gammaroidorum[27]	Gen. et sp. nov	In press	Jarzembowski et al.	Early Cretaceous (Hauterivian)	Weald	United Kingdom	A member of Amphipoda. Genus includes new species G. vonki.
Gelrincola[22]	Gen. et sp. nov	Valid	Schädel et al.	Middle Triassic (Anisian)	Lower Muschelkalk Vossenveld Formation	Netherlands	A member of Isopoda belonging to the group Cymothoida. The type species is G. winterswijkensis.
Gemmellarocarcinus riglosensis[19]	Sp. nov	Valid	Ferratges, Zamora & Aurell	Late Eocene		Spain
Glebocarcinus doii[28]	Sp. nov	Valid	Karasawa & Takahashi	Early Miocene	Igami	Japan	A member of the family Cancridae
Graptocarcinus collinsi[29]	Sp. nov	Valid	Vega in Vega et al.	Late Cretaceous (Maastrichtian)	Arroyo Grande Formation	Cuba	A crab belonging to the family Dynomenidae.
Hefriga schlechtingerae[30]	Sp. nov	Valid	Winkler	Late Jurassic (Tithonian)	Solnhofen	Germany	A caridean shrimp
Hispanigalathea raymondcaseyi[31]	Sp. nov	In press	Van Bakel et al.	Early Cretaceous (Albian)	Gault	United Kingdom	A member of Galatheoidea.
Hoploparia hinokunika[12]	Sp. nov	Valid	Ando & Shimada in Ando et al.	Late Cretaceous (Cenomanian)	Enokuchi Formation Karakizaki Formation	Japan	A lobster.
Joecalcinus[32]	Gen. et sp. nov	Valid	Fraaije et al.	Eocene		Italy	A hermit crab belonging to the family Calcinidae. Genus includes new species J. bolcensis.
Laeviprosopon musialiki[33]	Sp. nov	Valid	Starzyk	Late Jurassic (Oxfordian)		Poland	A crab belonging to the family Prosopidae.
Lobogalenopsis joei[19]	Sp. nov	Valid	Ferratges, Zamora & Aurell	Late Eocene		Spain
Marmacuma[34]	Gen. et sp. nov	Valid	Artüz & Sakınç	Late Pleistocene		Turkey	A member of Cumacea belonging to the family Nannastacidae. Genus includes new species M. samimei.
Matutites collinsi[35]	Sp. nov	Valid	Davis, Garassino & Weaver	Middle Eocene	Castle Hayne	United States	A member of the family Matutidae.
Maurocarpilius[36]	Gen. et sp. nov	Valid	Ossó, Gagnaison & Bailleul	Eocene (Ypresian)	Ait Ouarhitane	Morocco	A member of the family Carpiliidae. The type species is M. binodosus.
Mesogalathea ardua[37]	Sp. nov	Valid	Gašparič, Robins & Gale	Late Jurassic (Kimmeridgian/Tithonian)		Slovenia	A member of the family Galatheidae.
Mizuhocancer[28]	Gen. et comb. nov	Valid	Karasawa in Karasawa & Takahashi	Early—Middle Miocene		Japan	A member of the family Cancridae. Monotypic with the type species, Cancer? Imamurae Imaizumi, 1962.
Neoliomera zovoensis[38]	Sp. nov	Valid	De Angeli & Garassino	Early Eocene		Italy	A species of Neoliomera.
Obtusotelson[22]	Gen. et sp. nov	Valid	Schädel et al.	Late Triassic (Carnian)	Reingraben	Austria	A member of Isopoda belonging to the group Scutocoxifera. The type species is O. summesbergeri.
Paguristes collinsi[20]	Sp. nov	Valid	Marangon & De Angeli	Oligocene (Rupelian)	Ligure-Piemontese Basin	Italy	A species of Paguristes.
Paguristes frigoscopulus[21]	Sp. nov	Valid	Jakobsen et al.	Paleocene (Danian)	Faxe Formation	Denmark	A species of Paguristes.
Paguristes joecollinsi[39]	Sp. nov	Valid	Wallaard et al.	Miocene (Tortonian)	Pakhna Formation	Cyprus	A species of Paguristes.
Paguristes laurae[20]	Sp. nov	Valid	Marangon & De Angeli	Oligocene (Rupelian)	Ligure-Piemontese Basin	Italy	A species of Paguristes.
Palaeopalinurellus[40]	Gen. et sp. et comb. nov	Valid	Fraaije et al.	Late Jurassic		Czech Republic France	A furry lobster. Genus includes new species P. culocervus, as well as "Palinurus" strambergensis Bachmayer (1959).
Palaeopolycheles nantosueltae[41]	Sp. nov		Jauvion et al.	Middle Jurassic (Callovian)	La Voulte-sur-Rhône	France	A member of Polychelida
?Proeryon erinaceus[42]	Sp. nov	Valid	Audo, Schweigert & Charbonnier	Late Jurassic (Oxfordian)		France
?Proeryon quiltyi[42]	Sp. nov	Valid	Audo, Schweigert & Charbonnier	Middle Jurassic (Callovian)		Antarctica
Protoapseudoidus[43]	Gen. et sp. nov	In press	Heard et al.	Early Cretaceous (Aptian)	Sierra Madre	Mexico	A member of Tanaidacea belonging to the group Apseudomorpha. Genus includes new species P. espinalensis.
Pseudastacus lemovices[44]	Sp. nov	Valid	Charbonnier & Audo	Early Jurassic (Sinemurian)		France	A member of Astacidea belonging to the family Stenochiridae
Sabellidromites lanae[45]	Sp. nov	Valid	Nyborg, Garassino & Ross	Late Cretaceous (late Campanian)		Canada	A dromioid crab
Stenodactylina beardi[46]	Sp. nov	Valid	Feldmann, Schweitzer & Haggart	Late Cretaceous	Haslam	Canada	A member of the family Erymidae.
Stenodactylina devillezi[47]	Sp. nov	Valid	Schweigert & Härer	Late Jurassic (Kimmeridgian)	Nusplingen	Germany	A member of the family Erymidae.
Stenodactylina geigerae[47]	Sp. nov	Valid	Schweigert & Härer	Late Jurassic (Tithonian)	Usseltal	Germany	A member of the family Erymidae.
Tymolus bottemilleri[48]	Sp. nov	Valid	Nyborg & Garassino	Miocene	Astoria	United States	A crab belonging to the family Cyclodorippidae.
Tymolus collinsi[48]	Sp. nov	Valid	Nyborg & Garassino	Miocene		United States	A crab belonging to the family Cyclodorippidae.
Vecticallichirus kawanoi[49]	Sp. nov	Valid	Ando	Late Eocene	Funazu	Japan	A ghost shrimp belonging to the family Callichiridae.

Ostracods

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
Adelphobolbina praeclara[50]	Sp. nov	Valid	Becker, Braun & Pratt	Devonian		Canada
Angarallina[51]	Gen. et 2 sp. nov	Valid	Melnikova	Ordovician		Russia	Genus includes new species A. demissa and A. aenigma.
Costoprimites multicostatus[52]	Sp. nov	Valid	Gonta	Ordovician		Russia
Costoprimites processus[52]	Sp. nov	Valid	Gonta	Ordovician		Russia
Direigina[51]	Gen. et sp. nov	Valid	Melnikova	Ordovician		Russia	Genus includes new species D. nana.
Disulcina proxima[51]	Sp. nov	Valid	Melnikova	Ordovician		Russia	A member of the family Tetradellidae.
Dolocythere amphistiela[53]	Sp. nov	Valid	Lord, Cabral & Danielopol	Early Cretaceous (Albian)		Germany	A member of Podocopida belonging to the family Cytheridae
Dorsogibbella alium[52]	Sp. nov	Valid	Gonta	Ordovician		Russia
Foramenella sibirica[51]	Sp. nov	Valid	Melnikova	Ordovician		Russia
Hallatina oblonga[51]	Sp. nov	Valid	Melnikova	Ordovician		Russia	A member of the group Leperditellocopida belonging to the family Primitiidae.
Illativella triquetra[50]	Sp. nov	Valid	Becker, Braun & Pratt	Devonian		Canada
Jonesites chunensis[52]	Sp. nov	Valid	Gonta	Ordovician		Russia
Kiesowia (?) incerta[51]	Sp. nov	Valid	Melnikova	Ordovician		Russia	A member of the family Ctenonotellidae.
Korolyukina[51]	Gen. et 2 sp. nov	Valid	Melnikova	Ordovician		Russia	A member of the family Bolliidae. Genus includes new species K. conspicua and K. taimyrica.
Laccochilina (?) jugata[51]	Sp. nov	Valid	Melnikova	Ordovician		Russia	A member of the family Eurychilinidae.
Lyumellina[52]	Gen. et sp. nov	Valid	Gonta	Ordovician		Russia	Genus includes new species L. risus
Minyocythere[53]	Gen. et 2 sp. et comb. nov	Valid	Lord, Cabral & Danielopol	Middle Jurassic (Aalenian and Bajocian)		Germany Netherlands United Kingdom	A cytherid Podocopida. The type species is M. macroporosa; genus also includes new species M. angulata, as well as "Dolocythere" maculosa Bate (1963) and "Dolocythere" tuberculata Luppold (2012).
Mongolianella kyranbeki[54]	Sp. nov	In press	Choi et al.	Cretaceous	Yanji	China
Nikolina entonipteros[52]	Sp. nov	Valid	Gonta	Ordovician		Russia
Nikolina pteroventralis[52]	Sp. nov	Valid	Gonta	Ordovician		Russia
Postsinusella[52]	Gen. et sp. nov	Valid	Gonta	Ordovician		Russia	Genus includes new species P. guttaformis.
Pseudoleperditia? vetusta[50]	Sp. nov	Valid	Becker, Braun & Pratt	Devonian		Canada
Pseudulrichia replicata[51]	Sp. nov	Valid	Melnikova	Ordovician		Russia	A member of the family Richinidae.
Steusloffia rudiformis[52]	Sp. nov	Valid	Gonta	Ordovician		Russia
Sulcicuneus gemmifer[50]	Sp. nov	Valid	Becker, Braun & Pratt	Devonian		Canada
Tasmanocypris lochardi[55]	Sp. nov	In press	Warne	Late Miocene and Pliocene		Australia
Tesakovites[51]	Gen. et sp. nov	Valid	Melnikova	Ordovician		Russia	A member of the family Circulinidae. Genus includes new species T. rotundatus.
Urftella triangula[50]	Sp. nov	Valid	Becker, Braun & Pratt	Devonian		Canada

Other crustaceans

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
Actinobalanus? sloveniensis[56]	Sp. nov	Valid	Buckeridge et al.	Oligocene and Miocene		Slovenia	A barnacle.
Ambocyclus[57]	Gen. et comb. nov	Valid	Schweitzer, Mychko & Feldmann	Carboniferous		Ireland Russia United States?	A member of Cyclida. Genus includes A. capidulum (Chernyschev, 1933), A. simulans (Reed, 1908) and possibly A. ? minutus (Rogers, 1902).
Arcoscalpellum s.l. isaonishikawai [58]	Sp. nov	Valid	Karasawa	Miocene	Katsuta Group	Japan	A member of the family Scalpellidae.
Arcoscalpellum s.l. Joei [58]	Sp. nov	Valid	Karasawa	Miocene	Yotsuyaku Formation	Japan	A member of the family Scalpellidae.
Ashinkailepas indica[59]	Sp. nov	Valid	Gale in Gale et al.	Late Pleistocene		India	A barnacle
Brachylepas hantonensis[60]	Sp. nov	Valid	Gale	Cretaceous		United Kingdom	A barnacle
Brachylepas thieli[60]	Sp. nov	Valid	Gale	Cretaceous			A barnacle
Brittaniclus[57]	Gen. et comb. nov	Valid	Schweitzer, Mychko & Feldmann	Carboniferous		United Kingdom	A member of Cyclida belonging to the family Americlidae. Genus includes B. rankini (Woodward, 1868), B. scotti (Woodward, 1894) and B. testudo (Peach, 1882).
Carabicyclus[57]	Gen. et comb. nov	Valid	Schweitzer, Mychko & Feldmann	Carboniferous		Ireland United Kingdom	A member of Cyclida. Genus includes C. wrighti (Woodward, 1870).
Chernyshevine[57]	Gen. et comb. nov	Valid	Schweitzer, Mychko & Feldmann	Carboniferous		Tajikistan	A member of Cyclida. Genus includes C. spinosus (Chernyschev, 1933).
Collinslepas[60]	Gen. et 3 sp. nov	Valid	Gale	Cretaceous		Morocco Tunisia	A barnacle. Genus includes new species C. aitlaminensis, C. robustus and C. tunisiensis.
Daohugounaias[61]	Gen. et sp. nov	Valid	Luo et al.	Middle Jurassic	Daohugou	China	A member of Anostraca. Genus includes new species D. cheni.
Dziklus[57]	Gen. et comb. nov	Valid	Schweitzer, Mychko & Feldmann	Carboniferous	Mazon Creek fossil beds	United States	A member of Cyclida belonging to the family Americlidae. Genus includes D. obesus (Schram, Vonk & Hof, 1997).
Eoverruca aubensis[60]	Sp. nov	Valid	Gale	Early Cretaceous (Albian)		France	A barnacle
Eoverruca symmetrica[60]	Sp. nov	Valid	Gale	Late Cretaceous (Campanian)		United Kingdom	A barnacle
Etcheslepas portlandensis[62]	Sp. nov	In press	Gale	Tithonian–Berriasian	Portland Group	United Kingdom	A barnacle
Fallaxlepas[60]	Gen. et comb. nov	Valid	Gale	Cretaceous		United Kingdom	A brachylepadid barnacle. The type species is "Pollicipes" fallax Darwin (1851)
Iliestheria urumqiensis[63]	Sp. nov	In press	Teng & Li	Early Jurassic (Pliensbachian–Toarcian)	Sangonghe	China	A clam shrimp.
Jagtscalpellum[60]	Gen. et comb. et 2 sp. nov	Valid	Gale	Cretaceous		United Kingdom	A barnacle. The type species is "Pollicipes" striatus Darwin (1851); genus also includes "Pollicipes" filosus Withers (1911), as well as new species J. africanum and J. spinosum.
Lahuerguinagrapta[64]	Gen. et sp. nov	In press	Gallego et al.	Early Cretaceous	La Huérguina	Spain	An afrograptid clam shrimp. Genus includes new species L. multicostata.
Litocyclus[57]	Gen. et comb. nov	Valid	Schweitzer, Mychko & Feldmann	Carboniferous		Ireland United Kingdom United States?	A member of Cyclida. Genus includes L. bilobatus (Woodward, 1870), L. jonesianus (Woodward, 1870), L. torosus (Woodward, 1870) and possibly also L. ? communis (Rogers, 1902) and L. ? permarginatus (Rogers, 1902).
Loriolepas whytei[62]	Sp. nov	In press	Gale	Tithonian–Berriasian		United Kingdom	A barnacle
Proverruca anglica[60]	Sp. nov	Valid	Gale	Cretaceous		United Kingdom	A barnacle
Regioscalpellum kennedyi[60]	Sp. nov	Valid	Gale	Cretaceous			A barnacle
Striascalpellum[60]	Gen. et 3 sp. et comb. nov	Valid	Gale	Cretaceous		United Kingdom	A barnacle. The type species is S. elegans; genus also includes new species S. bromleyi and S. barringtonensis, as well as "Scalpellum (Titanolepas)" martini Withers (1935).
Subsecolepas[60]	Gen. et sp. nov	Valid	Gale	Cretaceous			A barnacle. The type species is S. holtwilsoni.
Tazawacyclus[57]	Gen. et comb. nov	Valid	Schweitzer, Mychko & Feldmann	Carboniferous		Japan	A member of Cyclida. Genus includes T. tazawai (Niko & Ibaraki, 2011).
Virgilepas[60]	Gen. et 3 sp. nov	Valid	Gale	Cretaceous		Morocco	A barnacle. Genus includes new species V. aboudaensis, V. peakei and V. hancocki.
Virgiscalpellum laevis[60]	Sp. nov	Valid	Gale	Cretaceous			A barnacle
Virgiscalpellum mhrilensis[60]	Sp. nov	Valid	Gale	Cretaceous		Tunisia	A barnacle
Virgiscalpellum multilineatum[60]	Sp. nov	Valid	Gale	Cretaceous			A barnacle
Virgiscalpellum sussexiense[60]	Sp. nov	Valid	Gale	Cretaceous		United Kingdom	A barnacle
Virgiscalpellum truncatum[60]	Sp. nov	Valid	Gale	Cretaceous			A barnacle
Witherscalpellum[60]	Gen. et comb. nov	Valid	Gale	Cretaceous		France United Kingdom	A barnacle. The type species is "Cretiscalpellum aptiensis Withers (1935); genus also includes "Cretiscalpellum" matrioni Gale (2019).

General research

Redescription and a study on the phylogenetic relationships of Francocaris grimmi, based on data from new fossil material from the Solnhofen Limestone (Germany), is published by Pazinato et al. (2020).[65]
A hermit crab belonging to the family Pylochelidae preserved in a shell of an ammonite belonging to the species Craspedites nekrassovi will be described from the Upper Jurassic of Moscow, Russia by Mironenko (2020).[66]
A putative lobster Tricarina gadvanensis from the Early Cretaceous of Iran is reinterpreted as a seroloid isopod by Hyžný et al. (2020).[67]
Redescription of Americlus rankini and a study on the paleoecology of this taxon is published by Clark et al. (2020).[68]

Insects

Trilobites

New taxa

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
Aciculolenus askewi[69]	Sp. nov	Valid	Chatterton	Cambrian (Jiangshanian)		Canada
Boethiusia[70]	Gen. et comb. nov	Valid	Geyer	Cambrian		Italy	A new genus for "Dolerolenus" courtessolei Pillola (1991).
Calymene dastanpouri[71]	Sp. nov	In press	Ameri, Arjmandzadeh & Ghoorcgi	Early Silurian	Niur Formation	Iran
Clappaspis tupeq[72]	Sp. nov	Valid	Peel	Cambrian (Miaolingian)	Telt Bugt Formation	Greenland	A member of the family Alokistocaridae.
Cliffia nicoleae[69]	Sp. nov	Valid	Chatterton	Cambrian (Jiangshanian)		Canada
Dicranurus webbyi[73]	Sp. nov	In press	Holloway, Smith & Thomas	Ordovician (Katian)	Gunningbland Formation	Australia	An odontopleurid trilobite.
Ehmaniella sermersuaqensis[72]	Sp. nov	Valid	Peel	Cambrian (Miaolingian)	Telt Bugt Formation	Greenland	A member of the family Alokistocaridae.
Elrathia hensonensis[74]	Nom. nov	In press	Geyer & Peel	Cambrian	Ekspedition Bræ Formation	Greenland	A replacement name for Elrathia groenlandica Geyer & Peel (2017).
Epicurella[70]	Gen. et sp. nov	Valid	Geyer	Cambrian		Morocco	A member of the family Despujolsiidae. Genus includes new species E. pustulata.
Kingaspidoides spinirecurvatus[75]	Sp. nov	In press	Geyer, Pais & Wotte	Cambrian	Jbel Wawrmast Formation	Morocco	A member of Redlichiida belonging to the family Ellipsocephalidae.
Marsaisia devoillei[70]	Sp. nov	Valid	Geyer	Cambrian		Morocco	A member of the family Despujolsiidae.
Marsaisia? lemdadensis[70]	Sp. nov	Valid	Geyer	Cambrian		Morocco	A member of the family Despujolsiidae.
Placoparia africana[76]	Sp. nov	In press	Pereira & Gutiérrez-Marco in Gutiérrez-Marco et al.	Ordovician (Sandbian)		Morocco
Proabadiella[77]	Gen. et 2 sp. nov	In press	Liñán et al.	Cambrian Stage 3	Pusa Formation	Spain	Genus includes new species P. toletana and P. vidalii.
Prophalaron[73]	Gen. et sp. nov	In press	Holloway, Smith & Thomas	Ordovician (Katian)	Gunningbland Formation	Australia	A calymenid trilobite. Genus includes new species P. jonesi.
Satunarcus[78]	Gen. et sp. nov	Valid	Wernette et al.	Late Cambrian	Ao Mo Lae Formation	Thailand	A kaolishaniid trilobite belonging to the new subfamily Ceronocarinae. Genus includes new species S. molaensis.
Saukianda? dresnayi[79]	Sp. nov	In press	Geyer & Landing	Cambrian		Moroccan‒Algerian border region
Treveropyge hellemondi[80]	Sp. nov	Valid	Van Viersen & Taghon	Devonian (Emsian)	Our Formation	Belgium	A member of the family Acastidae.

General research

A study on the timing of the trilobite extinctions at the early to middle Cambrian transition is published by Sundberg et al. (2020).[81]
A study on trilobite size variations in the Ordovician Fezouata Formation (Morocco) deposited in a cold-water environment is published by Saleh et al. (2020).[82]
A study on the nature of variation among oryctocephalid specimens from the Combined Metals Member of the Pioche Formation (Nevada; Cambrian Stage 4) will be published by Webster & Sundberg (2020).[83]
A study on the ontogeny of the olenid trilobite Leptoplastides salteri is published by Månsson & Clarkson (2020).[84]

Other arthropods

Newly named taxa

Name	Novelty	Status	Authors	Age	Type locality	Country	Notes
Concavicaris martinae[85]	Sp. nov	Valid	Broda, Rak & Hegna	Devonian (Famennian)		Czech Republic	A thylacocephalan.
Concavicaris pikae[85]	Sp. nov	Valid	Broda, Rak & Hegna	Devonian (Famennian)		Poland	A thylacocephalan.
Concavicaris submarinus[86]	Sp. nov		Jobbins, Haug & Klug	Devonian (Famennian)		Morocco	A thylacocephalan.
Concavicaris woodruffensis[85]	Sp. nov	Valid	Broda, Rak & Hegna	Devonian (Famennian)	Woodruff Formation	United States	A thylacocephalan.
Hipponicharion perforata[87]	Sp. nov	Valid	Skovsted et al.	Cambrian	Mural	Canada	A member of Bradoriida belonging to the family Hipponicharionidae.
Kanoshoia[88]	Gen. et sp. nov	Valid	Lerosey‐Aubril et al.	Cambrian (Drumian)	Wheeler Shale	United States	A megacheiran. Genus includes new species K. rectifrons.
Mesolimulus tafraoutensis[89]	Sp. nov	In press	Lamsdell et al.	Late Cretaceous (Cenomanian–Turonian)	Gara Sbaa Lagerstätte	Morocco	A horseshoe crab.
Paraconcavicaris[85]	Gen. et comb. nov	Valid	Broda, Rak & Hegna	Carboniferous (Tournaisian)	Líšeň Formation	Czech Republic	A thylacocephalan; a new genus for "Concavicaris" viktoryni Rak, Broda & Kumpan (2018).
Pauropsxenus extraneus[90]	Sp. nov	In press	Su, Cai & Huang	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A millipede belonging to the family Polyxenidae.
Pauropsxenus ordinatus[90]	Sp. nov	In press	Su, Cai & Huang	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A millipede belonging to the family Polyxenidae.
Pseudobeyrichona taurata[87]	Sp. nov	Valid	Skovsted et al.	Cambrian	Mural	Canada	A member of Bradoriida belonging to the family Hipponicharionidae.
Sklerolibyon[91]	Gen. et sp. nov		Aria et al.	Cambrian Stage 3	Maotianshan Shale Member of the Yu’anshan Formation	China	A megacheiran related to Jianfengia and Fortiforceps. The type species is S. maomima.
Soligorskopterus shpinevi[92]	Sp. nov	In press	Naugolnykh & Areshin	Late Devonian		Russia	An eurypterid.
Thelxiope holmani[93]	Sp. nov	Valid	Lerosey-Aubril, Skabelund & Ortega-Hernández	Cambrian (Drumian)	Wheeler Shale	United States	A possible member of Chelicerata.
Xiaocaris[94]	Gen. et sp. nov		Liu et al.	Cambrian Stage 3	Chiungchussu Formation	China	A member of the group Fuxianhuiida. The type species is X. luoi.

General research

Exceptionally preserved specimens of Chuandianella ovata carrying a large number of small eggs are described from the Cambrian Chengjiang biota (China) by Ou et al. (2020), who compare the reproductive strategies of C. ovata and closely related Waptia fieldensis.[95]
Sun, Zeng & Zhao (2020) report the discovery of a member of the genus Sidneyia belonging or related to the species S. inexpectans from the Wuliuan Mantou Formation of North China, expanding known distribution of this genus.[96]
A putative xiphosuran Kiaeria is reinterpreted as a member of Chasmataspidida by Lamsdell (2020a).[97]
A study on the anatomy of head structures of Heterocrania rhyniensis, evaluating its implications for the knowledge of the phylogenetic relationships of euthycarcinoids, is published by Edgecombe et al. (2020).[98]
A study on heterochrony in Xiphosura, showing that clades that occupy non-marine environments show elevated rates of peramorphosis or paedomorphosis is published by Lamsdell (2020b). [99]
A study aiming to determine the range of prey sizes that could be captured by sweep-feeding eurypterids is published by Hughes & Lamsdell (2020).[100]
A study on the anatomy and phylogenetic relationships of Anhelkocephalon handlirschi is published by Schädel & Haug (2020), who interpret this taxon as a probable member of Cyclida rather than an isopod.[101]
Liu et al. (2020) report evidence of the presence of a three-dimensionally preserved labrum associated with the mouth opening in juvenile specimens of Leanchoilia illecebrosa.[102]

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Edmund A. Jarzembowski; Cédric Chény; Yan Fang; Bo Wang (2020). "First Mesozoic amphipod crustacean from the Lower Cretaceous of SE England". Cretaceous Research. 112: Article 104429. doi:10.1016/j.cretres.2020.104429.
Hiroaki Karasawa; Fumio Takahashi (2020). "A review of the Late Cenozoic Cancridae (Decapoda) from West Japan, with descriptions one new genus and one new species" (PDF). Bulletin of the Mizunami Fossil Museum. 46: 21–47.
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Norbert Winkler (2020). "A new caridean shrimp (Crustacea: Decapoda) from the Solnhofen Lithographic Limestones (Upper Jurassic, southern Germany)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (2): 117–128. doi:10.1127/njgpa/2020/0873.
Barry W.M. van Bakel; René H.B. Fraaije; John W.M. Jagt; Martin I. Simpson (2020). "Hispanigalathea raymondcaseyi, a new squat lobster (Crustacea, Decapoda, Galatheoidea) from the Gault (Albian) of Folkestone, England". Proceedings of the Geologists' Association. in press. doi:10.1016/j.pgeola.2020.03.010.
René H.B. Fraaije; Claudio Beschin; Alessandra Busulini; Giuliano Tessier; John W.M. Jagt; Barry W.M. van Bakel (2020). "Joecalcinus, a new hermit crab genus from the Eocene of northern Italy: the second Cenozoic representative of the extant family Calcinidae (Decapoda, Anomura)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 101–105. doi:10.1127/njgpa/2020/0871.
Natalia Starzyk (2020). "The oldest species of the genus Laeviprosopon (Decapoda: Brachyura: Prosopidae) from the Oxfordian of Poland". Acta Zoologica Cracoviensia. 63 (1): 9–13. doi:10.3409/azc.63.02.
M. Levent Artüz; Mehmet Sakınç (2020). "Marmacuma samimei gen. et sp. nov., (Peracarida; Cumacea; Nannastacidae) from Tarantian (Upper Pleistocene) sediments from the Sea of Marmara, Turkey". Zootaxa. 4718 (1): 134–144. doi:10.11646/zootaxa.4718.1.11. PMID 32230047.
Daniel J. Davis; Alessandro Garassino; Patricia G. Weaver (2020). "Matutites collinsi n. sp. (Crustacea, Decapoda, Matutidae) from the Spring Garden Member of the Castle Hayne Formation in North Carolina (USA)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 67–71. doi:10.1127/njgpa/2020/0870.
Àlex Ossó; Cyril Gagnaison; Julien Bailleul (2020). "First report of Early Eocene Decapods in Morocco: description of a new genus and a new species of Carpiliidae (Decapoda: Brachyura) with remarks on its paleobiogeography". Geodiversitas. 42 (4): 47–56. doi:10.5252/geodiversitas2020v42a4.
Rok Gašparič; Cristina Robins; Luka Gale (2020). "Mesogalathea ardua sp. nov., a new species of squat lobster (Decapoda, Galatheidae) from the Upper Jurassic olistolith at Velika Strmica (Dolenjska, Slovenia)". Geologija. 63 (1): 29–38. doi:10.5474/geologija.2020.003.
Antonio De Angeli; Alessandro Garassino (2020). "A new xanthid crab, Neoliomera zovoensis sp. nov. (Decapoda, Brachyura), from the Lower Eocene beds of Zovo (Vestenanova, Verona, northeast Italy)". Geologija. 63 (1): 67–72. doi:10.5474/geologija.2020.007.
Jonathan J.W. Wallaard; René H. B. Fraaije; John W.M. Jagt; Adiël A. Klompmaker; Barry W. M. van Bakel (2020). "The first record of a paguroid shield (Decapoda, Anomura, Annuntidiogenidae) from the Miocene of Cyprus". Geologija. 63 (1): 93–99. doi:10.5474/geologija.2020.010.
René H.B. Fraaije; Barry W.M. Van Bakel; John W.M. Jagt; Richard Brochet (2020). "A new furry lobster (Crustacea, Decapoda, Synaxidae) from the Oxfordian (Upper Jurassic) of northeastern France". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (3): 327–330. doi:10.1127/njgpa/2020/0909.
Clément Jauvion; Denis Audo; Sylvain Bernard; Jean Vannier; Allison C. Daley; Sylvain Charbonnier (2020). "A new polychelidan lobster preserved with its eggs in a 165 Ma nodule". Scientific Reports. 10: Article number 3574. doi:10.1038/s41598-020-60282-1. PMC 7046737. PMID 32107415.
Denis Audo; Guenter Schweigert; Sylvain Charbonnier (2020). "Proeryon, a geographically and stratigraphically widespread genus of polychelidan lobsters". Annales de Paléontologie. 106 (2): Article 102376. doi:10.1016/j.annpal.2019.102376.
Richard W. Heard; Andrés G. Morales-Núñez; María de Lourdes Serrano-Sánchez; Marco A. Coutiño; Ricardo Barragán; Francisco J. Vega (2020). "A new family, genus and species of Tanaidacea (Crustacea; Apseudomorpha) from the Lower Cretaceous (Aptian) of Chiapas, Mexico: Systematic revisions , including designation of two new Paleozoic families, and paleoenvironmental observations". Journal of South American Earth Sciences. 102: Article 102609. doi:10.1016/j.jsames.2020.102609.
Sylvain Charbonnier; Denis Audo (2020). "A new stenochirid lobster (Crustacea, Decapoda, Stenochiridae) from the Early Jurassic of France". Geodiversitas. 42 (7): 93–102. doi:10.5252/geodiversitas2020v42a7.
Torrey Nyborg; Alessandro Garassino; Richard L.M. Ross (2020). "A new dromioid crab from the late Campanian of Hornby Island, Canada". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (2): 141–147. doi:10.1127/njgpa/2020/0878.
Rodney M. Feldmann; Carrie E. Schweitzer; James W. Haggart (2020). "A new erymoid lobster (Decapoda: Glypheidea: Erymidae) from the Upper Cretaceous of British Columbia, Canada, and a summary of Erymoidea from North America". Journal of Crustacean Biology. 40 (3): 269–276. doi:10.1093/jcbiol/ruaa005.
Günter Schweigert; Jürgen Härer (2020). "New erymid lobsters from the Nusplingen and Usseltal formations (Upper Jurassic) of southwest Germany". Geologija. 63 (1): 19–27. doi:10.5474/geologija.2020.002.
Torrey Nyborg; Alessandro Garassino (2020). "New Neogene species of Tymolus STIMPSON, 1858 (Decapoda, Brachyura, Cyclodorippidae) from the eastern Pacific". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 167–174. doi:10.1127/njgpa/2020/0901.
Yusuke Ando (2020). "Additional records of Collinsius simplex (Brachyura, Chasmocarcinidae) from the Upper Eocene to Lower Oligocene strata in Kyushu (Japan), and description of a new species of ghost shrimp (Axiidea, Callichiridae)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 9–18. doi:10.1127/njgpa/2020/0875.
Gerhard Becker; Willi K. Braun; Brian R. Pratt (2020). "Middle Devonian epicontinental ostracods from western Canada. 1. Palaeocopina". Palaeontographica Abteilung A. 316 (1–6): 1–77. doi:10.1127/pala/2020/0093.
L. M. Melnikova (2020). "New material on the Ordovician ostracodes of the Siberian Platform". Paleontological Journal. 54 (2): 117–125. doi:10.1134/S0031030120020094.
T. V. Gonta (2020). "Ordovician ostracods from the Chunya River basin (a right tributary of the Podkamennaya Tunguska River, Siberian Platform)". Paleontological Journal. 54 (1): 34–46. doi:10.1134/S0031030120010049.
Alan R. Lord; M. Cristina Cabral; Dan L. Danielopol (2020). "Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus". Acta Palaeontologica Polonica. 65 (2): 313–349. doi:10.4202/app.00632.2019.
Byung-Do Choi; Yaqiong Wang; Liang Hu; Min Huh (2020). "Ostracod faunas from the Dalazi and Tongfosi formations (Yanji Basin, Northeast China): biostratigraphic, palaeogeographic and palaeoecological implications". Cretaceous Research. 105: Article 104018. doi:10.1016/j.cretres.2018.11.015.
Mark T. Warne (2020). "The marine ostracod genus Tasmanocypris McKenzie, 1979 from the Neogene of southeastern Australia: Systematic and palaeoceanographical relationships, palaeoecology and palaeobiogeography". Marine Micropaleontology. 157: Article 101855. doi:10.1016/j.marmicro.2020.101855.
John S. Buckeridge; Tomáš Kočí; Rok Gašparič; Martina Kočová Veselská (2020). "Actinobalanus? sloveniensis (Thoracica, Balanoidea), a new species of cirripede from the Oligocene and Miocene of Slovenia that grew attached to wood substrates". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 51–65. doi:10.1127/njgpa/2020/0902.
Carrie E. Schweitzer; Eduard V. Mychko; Rodney M. Feldmann (2020). "Revision of Cyclida (Pancrustacea, Multicrustacea), with five new genera". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (3): 245–303. doi:10.1127/njgpa/2020/0905.
Hiroaki Karasawa (2020). "Cenozoic pedunculate barnacles (Cirripedia: Thoracica) deposited in the Mizunami Fossil Museum, Japan" (PDF). Bulletin of the Mizunami Fossil Museum. 47: 21–40.
Andy S. Gale; Crispin T.S. Little; Joel E. Johnson; Liviu Giosan (2020). "A new neolepadid cirripede from a Pleistocene cold seep, Krishna-Godavari Basin, offshore India". Acta Palaeontologica Polonica. 65 (2): 351–362. doi:10.4202/app.00705.2019.
Andrew Scott Gale (2020). "New thoracican cirripedes (Crustacea) from the Cretaceous of Europe and North Africa". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (3): 243–282. doi:10.1127/njgpa/2020/0886.
Cihang Luo; Edmund A. Jarzembowski; Yan Fang; Bo Wang; Chuantao Xiao (2020). "First Anostraca (Crustacea: Branchiopoda) from the Middle Jurassic of Daohugou, China". Proceedings of the Geologists' Association. 131 (1): 67–72. doi:10.1016/j.pgeola.2019.11.004.
Andy Gale (2020). "New thoracican cirripedes (Crustacea) from the Portland and Purbeck Groups (Tithonian–Berriasian) of Dorset, United Kingdom". Proceedings of the Geologists' Association. in press. doi:10.1016/j.pgeola.2019.05.001.
Xiao Teng; Gang Li (2020). "Discovery of Iliestheria (Crustacea: spinicaudatan) from the Lower Jurassic Sangonghe Formation in Junggar Basin, northwestern China". Palaeoworld. in press. doi:10.1016/j.palwor.2020.04.004.
Oscar F. Gallego; Mateo D. Monferran; Iracema A. Zacarías; Victoria C. Jiménez; Angela Buscalioni; Huanyu Liao (2020). "Clam shrimp fauna (Diplostraca-Spinicaudata and Estheriellina) from the Lower Cretaceous of Las Hoyas, Cuenca (Spain)". Cretaceous Research. 110: Article 104389. doi:10.1016/j.cretres.2020.104389.
Paula G. Pazinato; Clément Jauvion; Günter Schweigert; Joachim T. Haug; Carolin Haug (2020). "After 100 years: a detailed view of an eumalacostracan crustacean from the Upper Jurassic Solnhofen Lagerstätte with raptorial appendages unique to Euarthropoda". Lethaia. in press. doi:10.1111/let.12382.
Aleksandr Mironenko (2020). "A hermit crab preserved inside an ammonite shell from the Upper Jurassic of Central Russia: implications to ammonoid palaeoecology". Palaeogeography, Palaeoclimatology, Palaeoecology. 537: Article 109397. doi:10.1016/j.palaeo.2019.109397.
Matúš Hyžný; Denis Audo; Rodney M. Feldmann; Guenter Schweigert (2020). "Tricarina gadvanensis is an isopod: reinterpretation of an alleged lobster from the Lower Cretaceous of Iran". Journal of Paleontology. in press: 1–7. doi:10.1017/jpa.2019.61.
Neil D. L. Clark; Rodney M. Feldmann; Frederick R. Schram; Carrie E. Schweitzer (2020). "Redescription of Americlus rankini (Woodward, 1868) (Pancrustacea: Cyclida: Americlidae) and interpretation of its systematic placement, morphology, and paleoecology". Journal of Crustacean Biology. 40 (2): 181–193. doi:10.1093/jcbiol/ruaa001.
Brian D.E. Chatterton (2020). "Mid-Furongian trilobites and agnostids from the Wujiajiania lyndasmithae Subzone of the Elvinia Zone, McKay Group, southeastern British Columbia, Canada". Journal of Paleontology. 94 (4): 653–680. doi:10.1017/jpa.2020.2.
Gerd Geyer (2020). "A critical evaluation of the Resserops clade (Trilobita: Despujolsiidae, early Cambrian) with remarks on related redlichiacean families" (PDF). Freiberger Forschungshefte C 558. psf - Paläontologie, Stratigraphie, Fazies. 25: 1–107.
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Gerd Geyer; Miguel Caldeira Pais; Thomas Wotte (2020). "Unexpectedly curved spines in a Cambrian trilobite: considerations on the spinosity in Kingaspidoides spinirecurvatus sp. nov. from the Anti-Atlas, Morocco, and related Cambrian ellipsocephaloids". PalZ. in press. doi:10.1007/s12542-020-00514-x.
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Eladio Liñán; José Antonio Gámez Vintaned; Teodoro Palacios; Rodolfo Gozalo (2020). "The lower Ovetian Stage (lower Cambrian Stage 3) trilobite zonation in Spain and correlation with West Gondwana". GFF. in press. doi:10.1080/11035897.2019.1701548.
Shelly J. Wernette; Nigel C. Hughes; Paul M. Myrow; Apsorn Sardsud (2020). "Satunarcus, a new late Cambrian trilobite genus from southernmost Thailand and a reevaluation of the subfamily Mansuyiinae Hupé, 1955". Journal of Paleontology. Online edition. doi:10.1017/jpa.2020.23.
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[1] Antonio Arillo; Luis S. Subías; Enrique Peñalver (2020). "A new species of fossil Oribatid mite (Acariformes, Oribatida: Caleremaeidae) from a new Cretaceous amber outcrop in Asturias, Spain". Cretaceous Research. 109: Article 104382. doi:10.1016/j.cretres.2020.104382.

[2] Sandro P. Müller; Jason A. Dunlop; Ulrich Kotthoff; Jörg U. Hammel; Danilo Harms (2020). "The oldest short-tailed whipscorpion (Schizomida): a new genus and species from the Upper Cretaceous amber of northern Myanmar". Cretaceous Research. 106: Article 104227. doi:10.1016/j.cretres.2019.104227.

[3] Miguel Ángel García-Villafuerte; Alejandro Valdez-Mondragón (2020). "The oldest fossils of the spider subfamily Modisiminae from the Americas: Description of a new species of the genus Modisimus Simon (Araneae: Pholcidae) from the amber of Mexico with a checklist of the extant Mexican species". Journal of South American Earth Sciences. in press: Article 102702. doi:10.1016/j.jsames.2020.102702.

[JPNeophyllobius-4] Mateusz Zmudzinski (2020). "New fossil stilt-legged mites of Neophyllobius Berlese, 1886 (Acariformes, Camerobiidae) from Eocene Baltic amber". Journal of Paleontology. 94 (4): 696–715. doi:10.1017/jpa.2020.13.

[5] Xiangbo Guo; Paul A. Selden; Chungkun Shih; Dong Ren (2020). "Two new lagonomegopid spiders (Arachnida: Araneae) from the mid-Cretaceous of northern Myanmar, with comments on the superfamilial placement of Lagonomegopidae". Cretaceous Research. 106: Article 104257. doi:10.1016/j.cretres.2019.104257.

[6] Andrew J. Wendruff; Loren E. Babcock; Christian S. Wirkner; Joanne Kluessendorf; Donald G. Mikulic (2020). "A Silurian ancestral scorpion with fossilised internal anatomy illustrating a pathway to arachnid terrestrialisation". Scientific Reports. 10: Article number 14. doi:10.1038/s41598-019-56010-z. PMC 6965631. PMID 31949185.

[7] Andrés O. Porta; Peter Michalik; Ezequiel Franchi; Daniel N. Proud (2020). "The first fossil pycnocheiridiine pseudoscorpion (Pseudoscorpiones: Cheiridiidae: Procheiridium gen. nov.) from Cretaceous Burmese amber". Zootaxa. 4801 (1): 142–150. doi:10.11646/zootaxa.4801.1.6.

[8] Ariel Milani Martine; Fresia Ricardi-Branco; Beatriz Beloto; Isabela Jurigan (2020). "Suraju itayma: The first Paleozoic fossil scorpion in South America". Journal of South American Earth Sciences. 101: Article 102600. doi:10.1016/j.jsames.2020.102600.

[Aliaplax-9] Giovanni Pasini; Alessandro Garassino; Antonio De Angeli; Francesco Pizzolato (2020). "Additional records of decapod crustaceans from the lower Pleistocene beds of Poggi Gialli (Tuscany, central Italy)". Geologija. 63 (1): 109–123. doi:10.5474/geologija.2020.012.

[10] Giovanni Pasini; Javier Luque; Alessandro Garassino (2020). "Ancipitecancer collinsi, a new genus and species of problematic eubrachyuran crab from the Pleistocene of Italy". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 193–199. doi:10.1127/njgpa/2020/0890.

[11] Denis Audo; Heinz Furrer (2020). "A new polychelidan lobster from the Alpine Lower Jurassic of southeastern Switzerland". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 29–40. doi:10.1127/njgpa/2020/0900.

[GoshouraAndoetal-12] Yusuke Ando; Koji Hirose; Hiroaki Ugai; Kazuyoshi Shimada (2020). "New records for decapods from the Cretaceous Goshoura Group (Albian to Cenomanian), Amakusa City, Kyushu, Japan" (PDF). Bulletin of the Goshoura Cretaceous Museum. 21: 21–33.

[13] Thomas A. Hegna; Eric A. Lazo-Wasem; María de Lourdes Serrano-Sánchez; Ricardo Barragán; Francisco J. Vega (2020). "A new fossil talitrid amphipod from the lower early Miocene Chiapas amber documented with microCT scanning". Journal of South American Earth Sciences. 98: Article 102462. doi:10.1016/j.jsames.2019.102462.

[14] Matúš Hyžný (2020). "Revision of the Miocene shrimp Callianassa kerepesiensis Müller, 1976 (Malacostraca, Decapoda), with a description of a new species". Zootaxa. 4801 (2): 363–373. doi:10.11646/zootaxa.4801.2.10.

[15] Patricio Hernáez; Francisco Sekiguchi Buchmann; William Santana (2020). "A new species of Callichirus Stimpson, 1866 (Axiidea, Callianassidae) from the Pleistocene bioclastic sediment of southeast Brazil". Journal of South American Earth Sciences. 101: Article 102602. doi:10.1016/j.jsames.2020.102602.

[JCBBahmanetal-16] Heedar Bahman; Rodney M. Feldmann; Carrie E. Schweitzer (2020). "Systematics and paleoecology of Miocene brachyuran crabs (Decapoda: Brachyura: Cancroidea, Portunidae) from the St. Marys Formation, Maryland, USA". Journal of Crustacean Biology. 40 (3): 256–268. doi:10.1093/jcbiol/ruaa014.

[17] Sergio Marangon; Antonio De Angeli (2020). "A new homolid crab, Cherpihomola italica gen. nov., sp. nov. (Decapoda, Brachyura), from the Rupelian of the Ligure-Piemontese Basin (Alessandria, northern Italy)". Geologija. 63 (1): 73–81. doi:10.5474/geologija.2020.012.

[18] Pedro Artal; Barry W.M. van Bakel (2020). "A new xanthid crab (Decapoda, Brachyura) from the Lower Eocene (Ypresian) of Huesca (Aragón, Spain)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 19–27. doi:10.1127/njgpa/2020/0885.

[NJGPA29612Ferratgesetal-19] Fernando A. Ferratges; Samuel Zamora; Marcos Aurell (2020). "Systematics and distribution of decapod crustaceans associated with late Eocene coral buildups from the southern Pyrenees (Spain)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 79–100. doi:10.1127/njgpa/2020/0893.

[NJGPA29612MarangonAngeli-20] Sergio Marangon; Antonio De Angeli (2020). "New hermit crabs (Crustacea, Anomura, Paguroidea) from the Lower Oligocene of the Ligure Piemontese Basin, northwest Italy". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 157–165. doi:10.1127/njgpa/2020/0895.

[GeologijaJakobsenetal-21] Sten L. Jakobsen; René H. B. Fraaije; John W.M. Jagt; Barry W. M. van Bakel (2020). "New early Paleocene (Danian) paguroids from deep-water coral/bryozoan mounds at Faxe, eastern Denmark". Geologija. 63 (1): 47–56. doi:10.5474/geologija.2020.005.

[Discosalaputium-22] Mario Schädel; Timo van Eldijk; Herman Winkelhorst; Jelle W. F. Reumer; Joachim T. Haug (2020). "Triassic Isopoda - three new species from Central Europe shed light on the early diversity of the group". Bulletin of Geosciences. 95 (2): 145–166. doi:10.3140/bull.geosci.1773.

[23] Àlex Ossó; José Luis Domínguez; Antonio De Angeli; Fernando A. Ferratges (2020). "First record of Dynomene (Brachyura, Dromioidea) from the Eocene of the Iberian Peninsula and remarks on the generic placement of Eoacantholobulus oscensis (Brachyura, Xanthoidea)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 185–192. doi:10.1127/njgpa/2020/0874.

[24] Rok Gašparič; Denis Audo; Tomaž Hitij; Bogdan Jurkovšek; Tea Kolar-Jurkovšek (2020). "One of the oldest polychelidan lobsters from Upper Triassic (Carnian) beds at Kozja dnina in the Julian Alps, Slovenia". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 107–117. doi:10.1127/njgpa/2020/0899.

[25] Àlex Ossó; Josep Anton Moreno-Bedmar (2020). "A new species of Etyus Leach in MANTELL, 1822 (Decapoda, Brachyura, Etyidae) from the lower Aptian (Lower Cretaceous) of Cantabria, Spain". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 175–183. doi:10.1127/njgpa/2020/0892.

[26] Javier Luque; Torrey Nyborg; Jesús Alvarado-Ortega; Francisco J. Vega (2020). "Crustacea (Anomura, Brachyura) from the Miocene of Veracruz and Chiapas, Mexico: New records and new species". Journal of South American Earth Sciences. 100: Article 102561. doi:10.1016/j.jsames.2020.102561.

[27] Edmund A. Jarzembowski; Cédric Chény; Yan Fang; Bo Wang (2020). "First Mesozoic amphipod crustacean from the Lower Cretaceous of SE England". Cretaceous Research. 112: Article 104429. doi:10.1016/j.cretres.2020.104429.

[BMFMCancridae-28] Hiroaki Karasawa; Fumio Takahashi (2020). "A review of the Late Cenozoic Cancridae (Decapoda) from West Japan, with descriptions one new genus and one new species" (PDF). Bulletin of the Mizunami Fossil Museum. 46: 21–47.

[29] Francisco J. Vega; Carlos Rafael Borges-Sellén; Javier Aguilar-Pérez; Alberto F. Arano-Ruiz; Lázaro W. Viñola-López; Ricardo Barragán (2020). "On a new species of Graptocarcinus ROEMER, 1887 (Brachyura, Dynomenidae, Graptocarcininae) from the Upper Cretaceous of southwest Cuba". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 211–216. doi:10.1127/njgpa/2020/0884.

[30] Norbert Winkler (2020). "A new caridean shrimp (Crustacea: Decapoda) from the Solnhofen Lithographic Limestones (Upper Jurassic, southern Germany)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (2): 117–128. doi:10.1127/njgpa/2020/0873.

[31] Barry W.M. van Bakel; René H.B. Fraaije; John W.M. Jagt; Martin I. Simpson (2020). "Hispanigalathea raymondcaseyi, a new squat lobster (Crustacea, Decapoda, Galatheoidea) from the Gault (Albian) of Folkestone, England". Proceedings of the Geologists' Association. in press. doi:10.1016/j.pgeola.2020.03.010.

[32] René H.B. Fraaije; Claudio Beschin; Alessandra Busulini; Giuliano Tessier; John W.M. Jagt; Barry W.M. van Bakel (2020). "Joecalcinus, a new hermit crab genus from the Eocene of northern Italy: the second Cenozoic representative of the extant family Calcinidae (Decapoda, Anomura)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 101–105. doi:10.1127/njgpa/2020/0871.

[33] Natalia Starzyk (2020). "The oldest species of the genus Laeviprosopon (Decapoda: Brachyura: Prosopidae) from the Oxfordian of Poland". Acta Zoologica Cracoviensia. 63 (1): 9–13. doi:10.3409/azc.63.02.

[34] M. Levent Artüz; Mehmet Sakınç (2020). "Marmacuma samimei gen. et sp. nov., (Peracarida; Cumacea; Nannastacidae) from Tarantian (Upper Pleistocene) sediments from the Sea of Marmara, Turkey". Zootaxa. 4718 (1): 134–144. doi:10.11646/zootaxa.4718.1.11. PMID 32230047.

[35] Daniel J. Davis; Alessandro Garassino; Patricia G. Weaver (2020). "Matutites collinsi n. sp. (Crustacea, Decapoda, Matutidae) from the Spring Garden Member of the Castle Hayne Formation in North Carolina (USA)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 67–71. doi:10.1127/njgpa/2020/0870.

[36] Àlex Ossó; Cyril Gagnaison; Julien Bailleul (2020). "First report of Early Eocene Decapods in Morocco: description of a new genus and a new species of Carpiliidae (Decapoda: Brachyura) with remarks on its paleobiogeography". Geodiversitas. 42 (4): 47–56. doi:10.5252/geodiversitas2020v42a4.

[37] Rok Gašparič; Cristina Robins; Luka Gale (2020). "Mesogalathea ardua sp. nov., a new species of squat lobster (Decapoda, Galatheidae) from the Upper Jurassic olistolith at Velika Strmica (Dolenjska, Slovenia)". Geologija. 63 (1): 29–38. doi:10.5474/geologija.2020.003.

[38] Antonio De Angeli; Alessandro Garassino (2020). "A new xanthid crab, Neoliomera zovoensis sp. nov. (Decapoda, Brachyura), from the Lower Eocene beds of Zovo (Vestenanova, Verona, northeast Italy)". Geologija. 63 (1): 67–72. doi:10.5474/geologija.2020.007.

[39] Jonathan J.W. Wallaard; René H. B. Fraaije; John W.M. Jagt; Adiël A. Klompmaker; Barry W. M. van Bakel (2020). "The first record of a paguroid shield (Decapoda, Anomura, Annuntidiogenidae) from the Miocene of Cyprus". Geologija. 63 (1): 93–99. doi:10.5474/geologija.2020.010.

[40] René H.B. Fraaije; Barry W.M. Van Bakel; John W.M. Jagt; Richard Brochet (2020). "A new furry lobster (Crustacea, Decapoda, Synaxidae) from the Oxfordian (Upper Jurassic) of northeastern France". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (3): 327–330. doi:10.1127/njgpa/2020/0909.

[41] Clément Jauvion; Denis Audo; Sylvain Bernard; Jean Vannier; Allison C. Daley; Sylvain Charbonnier (2020). "A new polychelidan lobster preserved with its eggs in a 165 Ma nodule". Scientific Reports. 10: Article number 3574. doi:10.1038/s41598-020-60282-1. PMC 7046737. PMID 32107415.

[APProeryon-42] Denis Audo; Guenter Schweigert; Sylvain Charbonnier (2020). "Proeryon, a geographically and stratigraphically widespread genus of polychelidan lobsters". Annales de Paléontologie. 106 (2): Article 102376. doi:10.1016/j.annpal.2019.102376.

[43] Richard W. Heard; Andrés G. Morales-Núñez; María de Lourdes Serrano-Sánchez; Marco A. Coutiño; Ricardo Barragán; Francisco J. Vega (2020). "A new family, genus and species of Tanaidacea (Crustacea; Apseudomorpha) from the Lower Cretaceous (Aptian) of Chiapas, Mexico: Systematic revisions , including designation of two new Paleozoic families, and paleoenvironmental observations". Journal of South American Earth Sciences. 102: Article 102609. doi:10.1016/j.jsames.2020.102609.

[44] Sylvain Charbonnier; Denis Audo (2020). "A new stenochirid lobster (Crustacea, Decapoda, Stenochiridae) from the Early Jurassic of France". Geodiversitas. 42 (7): 93–102. doi:10.5252/geodiversitas2020v42a7.

[45] Torrey Nyborg; Alessandro Garassino; Richard L.M. Ross (2020). "A new dromioid crab from the late Campanian of Hornby Island, Canada". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (2): 141–147. doi:10.1127/njgpa/2020/0878.

[46] Rodney M. Feldmann; Carrie E. Schweitzer; James W. Haggart (2020). "A new erymoid lobster (Decapoda: Glypheidea: Erymidae) from the Upper Cretaceous of British Columbia, Canada, and a summary of Erymoidea from North America". Journal of Crustacean Biology. 40 (3): 269–276. doi:10.1093/jcbiol/ruaa005.

[Geologija631Stenodactylina-47] Günter Schweigert; Jürgen Härer (2020). "New erymid lobsters from the Nusplingen and Usseltal formations (Upper Jurassic) of southwest Germany". Geologija. 63 (1): 19–27. doi:10.5474/geologija.2020.002.

[NJGPA29612Tymolus-48] Torrey Nyborg; Alessandro Garassino (2020). "New Neogene species of Tymolus STIMPSON, 1858 (Decapoda, Brachyura, Cyclodorippidae) from the eastern Pacific". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 167–174. doi:10.1127/njgpa/2020/0901.

[49] Yusuke Ando (2020). "Additional records of Collinsius simplex (Brachyura, Chasmocarcinidae) from the Upper Eocene to Lower Oligocene strata in Kyushu (Japan), and description of a new species of ghost shrimp (Axiidea, Callichiridae)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 9–18. doi:10.1127/njgpa/2020/0875.

[PAA316-50] Gerhard Becker; Willi K. Braun; Brian R. Pratt (2020). "Middle Devonian epicontinental ostracods from western Canada. 1. Palaeocopina". Palaeontographica Abteilung A. 316 (1–6): 1–77. doi:10.1127/pala/2020/0093.

[PJ542ostracods-51] L. M. Melnikova (2020). "New material on the Ordovician ostracodes of the Siberian Platform". Paleontological Journal. 54 (2): 117–125. doi:10.1134/S0031030120020094.

[Lyumellina-52] T. V. Gonta (2020). "Ordovician ostracods from the Chunya River basin (a right tributary of the Podkamennaya Tunguska River, Siberian Platform)". Paleontological Journal. 54 (1): 34–46. doi:10.1134/S0031030120010049.

[Minyocythere-53] Alan R. Lord; M. Cristina Cabral; Dan L. Danielopol (2020). "Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus". Acta Palaeontologica Polonica. 65 (2): 313–349. doi:10.4202/app.00632.2019.

[54] Byung-Do Choi; Yaqiong Wang; Liang Hu; Min Huh (2020). "Ostracod faunas from the Dalazi and Tongfosi formations (Yanji Basin, Northeast China): biostratigraphic, palaeogeographic and palaeoecological implications". Cretaceous Research. 105: Article 104018. doi:10.1016/j.cretres.2018.11.015.

[55] Mark T. Warne (2020). "The marine ostracod genus Tasmanocypris McKenzie, 1979 from the Neogene of southeastern Australia: Systematic and palaeoceanographical relationships, palaeoecology and palaeobiogeography". Marine Micropaleontology. 157: Article 101855. doi:10.1016/j.marmicro.2020.101855.

[56] John S. Buckeridge; Tomáš Kočí; Rok Gašparič; Martina Kočová Veselská (2020). "Actinobalanus? sloveniensis (Thoracica, Balanoidea), a new species of cirripede from the Oligocene and Miocene of Slovenia that grew attached to wood substrates". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (1–2): 51–65. doi:10.1127/njgpa/2020/0902.

[NJGPA2963-57] Carrie E. Schweitzer; Eduard V. Mychko; Rodney M. Feldmann (2020). "Revision of Cyclida (Pancrustacea, Multicrustacea), with five new genera". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 296 (3): 245–303. doi:10.1127/njgpa/2020/0905.

[BMFMBarnacles-58] Hiroaki Karasawa (2020). "Cenozoic pedunculate barnacles (Cirripedia: Thoracica) deposited in the Mizunami Fossil Museum, Japan" (PDF). Bulletin of the Mizunami Fossil Museum. 47: 21–40.

[59] Andy S. Gale; Crispin T.S. Little; Joel E. Johnson; Liviu Giosan (2020). "A new neolepadid cirripede from a Pleistocene cold seep, Krishna-Godavari Basin, offshore India". Acta Palaeontologica Polonica. 65 (2): 351–362. doi:10.4202/app.00705.2019.

[NJGPA2953-60] Andrew Scott Gale (2020). "New thoracican cirripedes (Crustacea) from the Cretaceous of Europe and North Africa". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (3): 243–282. doi:10.1127/njgpa/2020/0886.

[61] Cihang Luo; Edmund A. Jarzembowski; Yan Fang; Bo Wang; Chuantao Xiao (2020). "First Anostraca (Crustacea: Branchiopoda) from the Middle Jurassic of Daohugou, China". Proceedings of the Geologists' Association. 131 (1): 67–72. doi:10.1016/j.pgeola.2019.11.004.

[PGEDorset-62] Andy Gale (2020). "New thoracican cirripedes (Crustacea) from the Portland and Purbeck Groups (Tithonian–Berriasian) of Dorset, United Kingdom". Proceedings of the Geologists' Association. in press. doi:10.1016/j.pgeola.2019.05.001.

[63] Xiao Teng; Gang Li (2020). "Discovery of Iliestheria (Crustacea: spinicaudatan) from the Lower Jurassic Sangonghe Formation in Junggar Basin, northwestern China". Palaeoworld. in press. doi:10.1016/j.palwor.2020.04.004.

[64] Oscar F. Gallego; Mateo D. Monferran; Iracema A. Zacarías; Victoria C. Jiménez; Angela Buscalioni; Huanyu Liao (2020). "Clam shrimp fauna (Diplostraca-Spinicaudata and Estheriellina) from the Lower Cretaceous of Las Hoyas, Cuenca (Spain)". Cretaceous Research. 110: Article 104389. doi:10.1016/j.cretres.2020.104389.

[65] Paula G. Pazinato; Clément Jauvion; Günter Schweigert; Joachim T. Haug; Carolin Haug (2020). "After 100 years: a detailed view of an eumalacostracan crustacean from the Upper Jurassic Solnhofen Lagerstätte with raptorial appendages unique to Euarthropoda". Lethaia. in press. doi:10.1111/let.12382.

[66] Aleksandr Mironenko (2020). "A hermit crab preserved inside an ammonite shell from the Upper Jurassic of Central Russia: implications to ammonoid palaeoecology". Palaeogeography, Palaeoclimatology, Palaeoecology. 537: Article 109397. doi:10.1016/j.palaeo.2019.109397.

[67] Matúš Hyžný; Denis Audo; Rodney M. Feldmann; Guenter Schweigert (2020). "Tricarina gadvanensis is an isopod: reinterpretation of an alleged lobster from the Lower Cretaceous of Iran". Journal of Paleontology. in press: 1–7. doi:10.1017/jpa.2019.61.

[68] Neil D. L. Clark; Rodney M. Feldmann; Frederick R. Schram; Carrie E. Schweitzer (2020). "Redescription of Americlus rankini (Woodward, 1868) (Pancrustacea: Cyclida: Americlidae) and interpretation of its systematic placement, morphology, and paleoecology". Journal of Crustacean Biology. 40 (2): 181–193. doi:10.1093/jcbiol/ruaa001.

[JPChatterton-69] Brian D.E. Chatterton (2020). "Mid-Furongian trilobites and agnostids from the Wujiajiania lyndasmithae Subzone of the Elvinia Zone, McKay Group, southeastern British Columbia, Canada". Journal of Paleontology. 94 (4): 653–680. doi:10.1017/jpa.2020.2.

[Boethiusia-70] Gerd Geyer (2020). "A critical evaluation of the Resserops clade (Trilobita: Despujolsiidae, early Cambrian) with remarks on related redlichiacean families" (PDF). Freiberger Forschungshefte C 558. psf - Paläontologie, Stratigraphie, Fazies. 25: 1–107.

[71] Hamed Ameri; Reza Arjmandzadeh; Khalil Ghoorcgi (2020). "The peri-Gondwanian Early Silurian trilobites from Kopeh Dagh, Iran". Historical Biology: An International Journal of Paleobiology. in press: 1–17. doi:10.1080/08912963.2019.1681420.

[PeelBGSD-72] John S. Peel (2020). "Middle Cambrian trilobites (Miaolingian, Ehmaniella Biozone) from the Telt Bugt Formation of Daugaard-Jensen Land, western North Greenland". Bulletin of the Geological Society of Denmark. 68: 1–14. doi:10.37570/bgsd-2020-68-01.

[Prophalaron-73] David J. Holloway; Patrick M. Smith; Geoff Thomas (2020). "The trilobites Prophalaron gen. nov. (Calymenidae) and Dicranurus (Odontopleuridae) from the Upper Ordovician of New South Wales". Alcheringa: An Australasian Journal of Palaeontology. in press. doi:10.1080/03115518.2020.1740322.

[74] Gerd Geyer; John S. Peel (2020). "Elrathia hensonensis nomen novum, new replacement name for Elrathia groenlandica Geyer and Peel, 2017 (Trilobita, Ptychopariacea)". Journal of Paleontology. in press. doi:10.1017/jpa.2020.11.

[75] Gerd Geyer; Miguel Caldeira Pais; Thomas Wotte (2020). "Unexpectedly curved spines in a Cambrian trilobite: considerations on the spinosity in Kingaspidoides spinirecurvatus sp. nov. from the Anti-Atlas, Morocco, and related Cambrian ellipsocephaloids". PalZ. in press. doi:10.1007/s12542-020-00514-x.

[76] Juan Carlos Gutiérrez-Marco; Sofia Pereira; Diego C. García-Bellido; Isabel Rábano (2020). "Ordovician trilobites from the Tafilalt Lagerstätte: new data and reappraisal of the Bou Nemrou assemblage". In A. W. Hunter; J. J. Álvaro; B. Lefebvre; P. van Roy; S. Zamora (eds.). The Great Ordovician Biodiversification Event: Insights from the Tafilalt Biota, Morocco. Geological Society, London, Special Publications. The Geological Society of London. pp. SP485–2018–126. doi:10.1144/SP485-2018-126.

[77] Eladio Liñán; José Antonio Gámez Vintaned; Teodoro Palacios; Rodolfo Gozalo (2020). "The lower Ovetian Stage (lower Cambrian Stage 3) trilobite zonation in Spain and correlation with West Gondwana". GFF. in press. doi:10.1080/11035897.2019.1701548.

[78] Shelly J. Wernette; Nigel C. Hughes; Paul M. Myrow; Apsorn Sardsud (2020). "Satunarcus, a new late Cambrian trilobite genus from southernmost Thailand and a reevaluation of the subfamily Mansuyiinae Hupé, 1955". Journal of Paleontology. Online edition. doi:10.1017/jpa.2020.23.

[79] Gerd Geyer; Ed Landing (2020). "Cambrian deposition in northwestern Africa: Relationship of Tamlelt massif (Moroccan‒Algerian border region) succession to the Moroccan Meseta". Journal of African Earth Sciences. 165: Article 103772. doi:10.1016/j.jafrearsci.2020.103772.

[80] Allart P. Van Viersen; Peter Taghon (2020). "A poorly diversified trilobite association from the lower Emsian (Lower Devonian) in the Sankt Vith area (East Belgium)". Geologica Belgica. 23 (1–2): 19–28. doi:10.20341/gb.2019.011.

[81] F.A. Sundberg; K.E. Karlstrom; G. Geyer; J.R. Foster; J.W. Hagadorn; M.T. Mohr; M.D. Schmitz; C.M. Dehler; L.J. Crossey (2020). "Asynchronous trilobite extinctions at the early to middle Cambrian transition". Geology. 48 (5): 441–445. doi:10.1130/G46913.1.

[82] Farid Saleh; Muriel Vidal; Lukáš Laibl; Pierre Sansjofre; Pierre Gueriau; Francesc Pérez-Peris; Lorenzo Lustri; Victoire Lucas; Bertrand Lefebvre; Bernard Pittet; Khadija El Hariri; Allison C. Daley (2020). "Large trilobites in a stress-free Early Ordovician environment". Geological Magazine. in press. doi:10.1017/S0016756820000448.

[83] Mark Webster; Frederick A. Sundberg (2020). "Nature and significance of intraspecific variation in the early Cambrian oryctocephalid trilobite Oryctocephalites palmeri Sundberg and McCollum, 1997". Journal of Paleontology. 94 (1): 70–98. doi:10.1017/jpa.2019.85.

[84] Kristina Månsson; Euan N. K. Clarkson (2020). "A revised ontogeny of the early Ordovician trilobite Leptoplastides salteri (Callaway, 1877)". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 111 (1): 1–16. doi:10.1017/S1755691018000841.

[Paraconcavicaris-85] Krzysztof Broda; Štěpán Rak; Thomas A. Hegna (2020). "Do the clothes make the thylacocephalan? A detailed study of Concavicarididae and Protozoeidae (?Crustacea, Thylacocephala) carapace micro-ornamentation". Journal of Systematic Palaeontology. 18 (11): 911–930. doi:10.1080/14772019.2019.1695683.

[86] Melina Jobbins; Carolin Haug; Christian Klug (2020). "First African thylacocephalans from the Famennian of Morocco and their role in Late Devonian food webs". Scientific Reports. 10: Article number 5129. doi:10.1038/s41598-020-61770-0. PMC 7083884. PMID 32198412.

[PPSkovstedetal-87] Christian B. Skovsted; Uwe Balthasar; Jakob Vinther; Erik A. Sperling (2020). "Small shelly fossils and carbon isotopes from the early Cambrian (Stages 3–4) Mural Formation of western Laurentia". Papers in Palaeontology. Online edition. doi:10.1002/spp2.1313.

[88] Rudy Lerosey‐Aubril; Julien Kimmig; Stephen Pates; Jacob Skabelund; Andries Weug; Javier Ortega‐Hernández (2020). "New exceptionally preserved panarthropods from the Drumian Wheeler Konservat‐Lagerstätte of the House Range of Utah". Papers in Palaeontology. Online edition. doi:10.1002/spp2.1307.

[89] James C. Lamsdell; Jessica N. Tashman; Giovanni Pasini; Alessandro Garassino (2020). "A new limulid (Chelicerata, Xiphosurida) from the Upper Cretaceous (Cenomanian–Turonian) of Gara Sbaa, southeast Morocco". Cretaceous Research. 106: Article 104230. doi:10.1016/j.cretres.2019.104230.

[CRPauropsxenus-90] Yitong Su; Chenyang Cai; Diying Huang (2020). "Two new species of the bristle millipede genus Pauropsxenus (Diplopoda, Polyxenidae) in mid-Cretaceous Burmese amber". Cretaceous Research. 111: Article 104427. doi:10.1016/j.cretres.2020.104427.

[91] Cédric Aria; Fangchen Zhao; Han Zeng; Jin Guo; Maoyan Zhu (2020). "Fossils from South China redefine the ancestral euarthropod body plan". BMC Evolutionary Biology. 20: Article number 4. doi:10.1186/s12862-019-1560-7. PMC 6950928. PMID 31914921.

[92] Serge V. Naugolnykh; Alexander V. Areshin (2020). "A new representative of a stylonuroid eurypterid from the Upper Devonian of the Kursk region, Russia". PalZ. in press. doi:10.1007/s12542-019-00501-x.

[93] Rudy Lerosey-Aubril; Jacob Skabelund; Javier Ortega-Hernández (2020). "Revision of the mollisoniid chelicerate(?) Thelxiope, with a new species from the middle Cambrian Wheeler Formation of Utah". PeerJ. 8: e8879. doi:10.7717/peerj.8879. PMC 7151752. PMID 32296605.

[94] Yu Liu; Javier Ortega-Hernández; Hong Chen; Huijuan Mai; Dayou Zhai; Xianguang Hou (2020). "Computed tomography sheds new light on the affinities of the enigmatic euarthropod Jianshania furcatus from the early Cambrian Chengjiang biota". BMC Evolutionary Biology. 20: Article number 62. doi:10.1186/s12862-020-01625-4. PMC 7268425. PMID 32487135.

[95] Qiang Ou; Jean Vannier; Xianfeng Yang; Ailin Chen; Huijuan Mai; Degan Shu; Jian Han; Dongjing Fu; Rong Wang; Georg Mayer (2020). "Evolutionary trade-off in reproduction of Cambrian arthropods". Science Advances. 6 (18): eaaz3376. doi:10.1126/sciadv.aaz3376. PMC 7190318. PMID 32426476.

[96] Zhixin Sun; Han Zeng; Fangchen Zhao (2020). "First occurrence of the Cambrian arthropod Sidneyia Walcott, 1911 outside of Laurentia". Geological Magazine. in press: 1–6. doi:10.1017/S0016756819000864.

[97] James C. Lamsdell (2020). "A chasmataspidid affinity for the putative xiphosuran Kiaeria Størmer, 1934". PalZ. in press. doi:10.1007/s12542-019-00493-8.

[98] Gregory D. Edgecombe; Christine Strullu-Derrien; Tomasz Góral; Alexander J. Hetherington; Christine Thompson; Markus Koch (2020). "Aquatic stem group myriapods close a gap between molecular divergence dates and the terrestrial fossil record". Proceedings of the National Academy of Sciences of the United States of America. 117 (16): 8966–8972. doi:10.1073/pnas.1920733117. PMC 7183169. PMID 32253305.

[99] James C. Lamsdell (2020). "A new method for quantifying heterochrony in evolutionary lineages". Paleobiology. in press. doi:10.1017/pab.2020.17.

[100] Emily S. Hughes; James C. Lamsdell (2020). "Discerning the diets of sweep-feeding eurypterids: assessing the importance of prey size to survivorship across the Late Devonian mass extinction in a phylogenetic context". Paleobiology. in press. doi:10.1017/pab.2020.18.

[101] Mario Schädel; Joachim T. Haug (2020). "A new interpretation of the enigmatic fossil arthropod Anhelkocephalon handlirschi Bill, 1914 – important insights in the morphology of Cyclida". Palaeodiversity. 13 (1): 69–81. doi:10.18476/pale.v13.a7.

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