Emarginachelys

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Emarginachelys Temporal range: Maastrichtian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines (=Chelonii)
Suborder:	Cryptodira
Family:	Chelydridae
Genus:	†Emarginachelys

Emarginachelys cretacea is the earliest described chelydrid, known from well preserved fossils from the Maastrichtian stage of the Late Cretaceous of Montana.

v t e Extinct turtles

Triassic period	Odontochelys Proganochelys

Jurassic period	Basilochelys Caribemys Condorchelys Dinochelys Dorsetochelys Eileanchelys Eurysternum Hispaniachelys Kayentachelys Palaeomedusa Sinaspideretes Thalassemys Uluops

Cretaceous period	Allopleuron Angolachelys Anomalochelys Araripemys Archelon Bouiachelys Caririemys Cearachelys Chelosphargis Chupacabrachelys Compsemys Corsochelys Cratochelone Ctenochelys Desmatochelys Emarginachelys Foxemys Gigantatypus Gilmoremys Glyptops Jiangxichelys Kinkonychelys Kirgizemys Kurmademys Liaochelys Notochelone Ocepechelon Pappigerus Paracryptodira Patagoniaemys Polysternon Pleurosternon Prochelidella Protostega Pneumatoarthrus Sankuchemys Santanachelys Sinemys Terlinguachelys Toxochelys Trionyx kansaiensis

Paleogene and Neogene period	Acherontemys Allaeochelys Anosteira Arabemys Argillochelys Aurorachelys Baenidae Berruchelus Carbonemys Carolinochelys Cedrobaena Chelodina murrayi Chelydrops Chelydropsis Chisternon Colossochelys Cosmochelys Crossochelys Eochelone Eosphargis Euclastes Gamerabaena Glarichelys Hadrianus Hesperotestudo Hutchemys Itilochelys Kinosternon pojoaque Macrocephalochelys Manchurochelys Meiolania Meiolaniidae Mesodermochelys Mexichelys Miocaretta Niolamia Ninjemys Pacifichelys Palaeotrionyx Palatobaena Parahydraspis Peckemys Planiplastron Plesiobaena Procolpochelys Protochelydra Protosphargis Protostegidae Psephophorus Puppigerus Stupendemys Stylemys Syllomus Thalassochelys 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 Chelonoidis nigra abingdonii (Lonesome George)

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