Bythinella

Bythinella is a genus of very small freshwater snails, an aquatic gastropod mollusk in the family Bythinellidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Bythinella
Shell of compressa-type Bythinella reyniesii on 1 millimetre grid paper
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Order: Littorinimorpha
Superfamily: Truncatelloidea
Family: Bythinellidae
Genus: Bythinella
LMoquin-Tandon, 1856
Type species
Bulimus viridis Poiret, 1801
Synonyms

Bithinella [sic] (misspelling)

These gonochoristic snails are small animals, with a shell length of about 2–4 mm.[1] Amnicola is a close relative, containing North American snails with essentially similar appearance and ecology. The scientific name means "small Bithynia"; the latter snail genus is somewhat similar at a casual glance (though much larger) but not at all closely related among the Rissooidea.

Distribution

The present genus occurs in springs, and sometimes caves or groundwater, from Catalonia across central Europe to the Aegean Region of Turkey. In and around France a particularly high diversity of these snails is found. Due to the limited range and special and easily destroyed habitat, these snails are liable to become endangered species.[1]

Species

More than 80 species and subspecies are recognized at present. However, it is not at all clear that all of those recognized as good species are actually that distinct, and some in fact seem to be local morphs instead of valid taxa. Some undescribed species are also known to exist.[1]

  • Bythinella anatolica Yıldırım, Kebapçı & Bahadır Koca, 2015
  • Bythinella aneliae Georgiev & Stoycheva, 2011
  • Bythinella angelovi Glöer & Georgiev, 2011
  • Bythinella anianensis (Paladilhe, 1870)
  • Bythinella austriaca (Frauenfeld, 1856)
  • Bythinella badensis
  • Bythinella bavarica
  • † Bythinella bearnensis Cossmann & Peyrot, 1918
  • Bythinella bicarinata - synonyms: B. dunkeri, B. lalindei, B. moulinsii, B. poujolensis
  • Bythinella blidariensis Glöer, 2013
  • Bythinella bouldouyrensis Girardi, 2015
  • Bythinella bouloti Girardi, Bichain & Wienin, 2002[2]
  • Bythinella calimanica Falniowski, Szarowska & Sirbu, 2009
  • Bythinella calquierensis Girardi & Boeters, 2015
  • Bythinella carcasonis Boeters & Falkner, 2008
  • Bythinella carinulata
  • Bythinella cebennensis (Dupuy, 1851) - synonym: B. anianensis)
  • Bythinella charpentieri (Roth, 1855)
  • Bythinella chinensis Liu & Zhang, 1979
  • † Bythinella contemta Brusina, 1897
  • † Bythinella cvijici Pavlović, 1935
  • † Bythinella cyclothyra (Boettger, 1869)
  • Bythinella cylindrica
  • Bythinella dacica Grossu, 1946
  • † Bythinella dalmatica Brusina, 1897
  • Bythinella dedovi Glöer & Georgiev, 2011
  • Bythinella dierckingi Glöer & Georgiev, 2011
  • Bythinella dispersa Radoman, 1976
  • Bythinella drimica Radoman, 1976
  • Bythinella dromensis Boeters & Falkner, 2008
  • Bythinella elenae Glöer & Georgiev, 2011
  • † Bythinella elongata Roshka, 1973
  • † Bythinella eugenii Jekelius, 1944
  • Bythinella eurystoma (Paladilhe, 1870)
  • Bythinella eutrepha (Paladilhe, 1867)
  • † Bythinella falloti Degrange-Touzin, 1892
  • Bythinella falniowskii Glöer, 2013
  • Bythinella feheri Glöer, 2013
  • Bythinella friderici Boeters & Falkner, 2008
  • Bythinella galerae Girardi, Bichain & Wienin, 2002[2]
  • Bythinella georgievi Glöer, 2013
  • Bythinella gibbosa (Moquin-Tandon, 1856)
  • Bythinella gloeeri Georgiev, 2009
  • Bythinella golemoensis Glöer & Mrkvicka, 2015
  • Bythinella gregoi Glöer & Erőss, 2015
  • Bythinella grossui Falniowski, Szarowska & Sirbu, 2009
  • Bythinella guranensis (Paladilhe, 1870)
  • Bythinella hansboetersi Glöer & Pešić, 2006
  • Bythinella intermedia
  • Bythinella istanbulensis Yıldırım, Kebapçı & Yüce, 2015
  • Bythinella istoka Glöer & Pešić, 2014
  • Bythinella izvorica Glöer & Georgiev, 2011
  • Bythinella kapelana Radoman, 1976
  • Bythinella kazdaghensis Odabaşi & Georgiev, 2014
  • Bythinella kleptuzica Glöer & Georgiev, 2011
  • Bythinella lancevelei Locard, 1894
  • Bythinella luteola Radoman, 1976
  • Bythinella magdalenae Yıldırım, Kebapçı & Bahadır Koca, 2015
  • Bythinella magna Radoman, 1976
  • Bythinella major (Pascal, 1873)
  • Bythinella margritae Glöer & Georgiev, 2011
  • Bythinella marici Glöer & Pešić, 2014
  • Bythinella markovi Glöer & Georgiev, 2009
  • † Bythinella megarensis Bukowski, 1896
  • Bythinella melovskii Glöer & Slavevska-Stamenković, 2015
  • Bythinella micherdzinskii Falniowski, 1980
  • Bythinella molcsanyi H. Wagner, 1941
  • Bythinella muranyii Glöer & Erőss, 2015
  • Bythinella nipponica Mori, 1937
  • Bythinella nonveilleri Glöer, 2008
  • Bythinella occasiuncula Boeters & Falkner, 2001
  • Bythinella opaca (Gallenstein, 1848)
  • Bythinella pannonica
  • Bythinella padiraci
  • Bythinella parvula Locard, 1893
  • Bythinella pesterica Glöer, 2008
  • † Bythinella polita (Pavlović, 1927)
  • Bythinella pupoides
  • Bythinella radomani Falniowski, Szarowska & Sirbu, 2009
  • Bythinella ravnogorica Glöer & Georgiev, 2009
  • Bythinella rhodopensis Glöer & Georgiev, 2011
  • Bythinella rilaensis Georgiev & Glöer, 2013
  • Bythinella robiciana
  • † Bythinella rothi (Brusina, 1884)
  • Bythinella rouchi Boeters & Falkner, 2008
  • Bythinella rouveyrolensis Girardi, 2015
  • Bythinella rubiginosa (Boubee, 1833) - synonym: B. simoniana)
  • Bythinella reyniesii - synonyms: B. compressa, B. parvula
  • Bythinella samecana Clessin, 1911
  • Bythinella schmidtii
  • † Bythinella scitula Brusina, 1892
  • Bythinella serborientalis Radoman, 1976
  • Bythinella servainiana (Paladilhe, 1870)
  • Bythinella sirbui Glöer, 2013
  • Bythinella slaveyae Glöer & Georgiev, 2011
  • Bythinella smolyanica Glöer & Georgiev, 2011
  • Bythinella srednogorica Glöer & Georgiev, 2009
  • Bythinella stoychevae Georgiev, 2011
  • Bythinella syntriculus Boeters & Falkner, 2008
  • Bythinella szarowskae Glöer, 2013
  • Bythinella taraensis Glöer & Pešić, 2010
  • Bythinella temelkovi Georgiev & Glöer, 2014
  • Bythinella thermophila Glöer, Varga & Mrkvicka, 2015
  • Bythinella turca (Radoman, 1976)
  • Bythinella ullaensis Boeters & Falkner, 2008
  • Bythinella valkanovi Glöer & Georgiev, 2011
  • Bythinella vesontiana
  • Bythinella utriculus (Paladilhe, 1874)
  • Bythinella viridis (Poiret, 1801)
  • Bythinella viseuiana Falniowski, Szarowska & Sirbu, 2009
  • † Bythinella vitrellaeformis Lörenthey, 1902
  • Bythinella walkeri Glöer & Georgiev, 2009
  • Bythinella wantanensis Kang, 1983
  • Bythinella wilkei Yıldırım, Kebapçı & Bahadır Koca, 2015
  • Bythinella wufengensis Kang, 1983
  • Bythinella sp. 'Dufort-Lacapelette'[1]
  • Bythinella sp. 'Padirac'[1]
  • Bythinella sp. 'Rogues'[1]
  • Bythinella bertrandi Bernasconi, 2000
  • Bythinella jourdei Bernasconi, 2000
  • Bythinella pujolensis Bernasconi, 2000
  • Bythinella rondelaudi Bernasconi, 2000
  • Bythinella troyana Bernasconi, 2000
  • Bythinella vimperei Bernasconi, 2000
  • Bythinella wawrzineki Bernasconi, 2002
  • Bythinella geisserti Boeters & Falkner, 2003

Footnotes
  1. Bichain et al. (2007)
  2. (in French) Girardi H., Bichain J. M. & Wienin M. (2002) "Description de deux nouvelles espèces de Bythinella (Mollusca: Caenogastropoda: Hydrobiidae) de l’exsurgence de Castelbouc (Lozère, France)". Documents Malacologiques 3: 43-54. "Archived copy". Archived from the original on 2012-12-18. Retrieved 2009-11-08.CS1 maint: archived copy as title (link)

References
  • Bichain, Jean-Michel; Gaubert, Philippe; Samadi, Sarah & Boisselier-Dubayle, Marie-Catherine (2007): A gleam in the dark: Phylogenetic species delimitation in the confusing spring-snail genus Bythinella Moquin-Tandon, 1856 (Gastropoda: Rissooidea: Amnicolidae). Mol. Phylogenet. Evol. 45(3): 927–941. doi:10.1016/j.ympev.2007.07.018 PDF fulltext
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