Protochelydra

Protochelydra Temporal range: Late Paleocene–Early Eocene PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Family:	Chelydridae
Genus:	†*Protochelydra* Erickson 1973
Species
†Protochelydra zangerli

Protochelydra zangerli is an extinct species of chelydid in the extinct genus Protochelydra of Chelydridae.^[1]^[2]

References

↑ Erickson, B. R. (1973). "A new chelydrid turtle Protochelydra zangerli from the late Paleocene of North America". Sci. Publ. Sci. Mus. Minn. N.S. 2 (2): 1–16.
↑ Danilov, G.; Parham, J. F. (2008). "A reassessment of some poorly known turtles from the Middle Jurassic of China, with comments on the antiquity of extant turtles". Journal of Vertebrate Paleontology. 28 (2): 306–318. doi:10.1671/0272-4634(2008)28[306:AROSPK]2.0.CO;2.

Extinct turtles
Triassic	Pappochelys Odontochelys Proganochelys
Jurassic	Achelonia Australochelys Basilochelys Caribemys Condorchelys Dinochelys Dorsetochelys Eileanchelys Eurysternum Hispaniachelys Kayentachelys Palaeomedusa Sinaspideretes Thalassemys Uluops
Cretaceous	Allopleuron Atlantochelys Angolachelys Anomalochelys Araripemys Archelon Arvinachelys Bouliachelys Caririemys Cearachelys Chelosphargis Chupacabrachelys Compsemys Corsochelys Cratochelone Ctenochelys Desmatochelys Desmatochelys padillai Emarginachelys Foxemys Gigantatypus Gilmoremys Glyptops Jiangxichelys Kallokibotion Kinkonychelys Kirgizemys Khunnuchelys Kurmademys Leyvachelys Liaochelys Lomalatachelys Notochelone Ocepechelon Pappigerus Paracryptodira Patagoniaemys Polysternon Pleurosternon Prochelidella Protostega Protostegidae Pneumatoarthrus Sankuchemys Santanachelys Sinemys Terlinguachelys Toxochelys Trionyx kansaiensis Yaminuechelys
Paleogene and Neogene	Acherontemys Allaeochelys Anosteira Arabemys Argillochelys Aurorachelys Baenidae Berruchelus Carbonemys Carolinochelys Cedrobaena Cerrejonemys Chelodina murrayi Chelydrops Chelydropsis Chisternon Cosmochelys Crossochelys Elseya uberrima Elseya nadibajagu Eochelone Eosphargis Euclastes Gamerabaena Glarichelys Hadrianus Hesperotestudo Hutchemys Itilochelys Kinosternon pojoaque Macrocephalochelys Manchurochelys Meiolania Meiolaniidae Megalochelys Mesodermochelys Mexichelys Miocaretta Niolamia Ninjemys Pacifichelys Palaeotrionyx Palatobaena Parahydraspis Peckemys Planiplastron Plesiobaena Procolpochelys Protochelydra Protosphargis Psephophorus Puppigerus Rheodytes devisi Stupendemys Stylemys Syllomus Warkalania
Recent	Cylindraspis species: Domed Mauritius giant tortoise Domed Rodrigues giant tortoise Réunion giant tortoise Saddle-backed Mauritius giant tortoise Saddle-backed Rodrigues giant tortoise Aldabrachelys abrupta Aldabrachelys grandidieri Chelonoidis nigra abingdonii Lonesome George

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