Ikechosaurus

Ikechosaurus Temporal range: Valanginian–Aptian PreꞒ Ꞓ O S D C P T J K Pg N
Fossil specimen, Beijing Museum of Natural History
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Choristodera
Suborder:	†Neochoristodera
Genus:	†Ikechosaurus Sigogneau-Russell, 1981[1]

Ikechosaurus is an extinct genus of choristodere reptile which existed in China and Mongolia during the Early Cretaceous.^[2] It contains the species Ikechosaurus sunailinae and Ikechosaurus gaoi. It belongs to the crocodilian-like clade Neochoristodera and was initially assigned to the Champsosauridae by Sigogneau-Russell (1981).^[1] Compared to other neochoristoderes, Ikechosaurus has a rather simple dentition, lacking the speciations seen in latter species. It also has parasphenoid palatal teeth, a feature not seen in any other choristodere.^[3][4]

References

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Sauropsida (Reptilia sensu lato)

Kingdom: Animalia Phylum: Chordata Superclass: Tetrapoda Clade: Amniota
Tetrapodomorpha see Tetrapodomorpha Reptiliomorpha see Reptiliomorpha Sauropsida see below↓

Sauropsida
Sauropsida †Australothyris †Erpetonyx †Microleter †Acleistorhinidae Acleistorhinus Carbonodraco Colobomycter? Delorhynchus? Feeserpeton? Karutia †Bolosauridae Belebey Bolosaurus Eudibamus †Mesosauria Brazilosaurus Mesosaurus Stereosternum †Millerettidae Broomia Heleophilus Milleretta Millerosaurus Milleropsis Nanomilleretta †Procolophonia see Procolophonia Diapsida see below↓

Diapsida
Diapsida †Adelosaurus? †Claudiosaurus †Cryptovaranoides †Dolerosaurus †Eunotosaurus? †Feralisaurus †Heleosuchus †Kenyasaurus †Kudnu †Lanthanolania †Maiothisavros †Orovenator †Palacrodon †Palaeagama †Saurosternon †Sphodrosaurus †Younginidae Galesphyrus Thadeosaurus Youngina †Tangasauridae Acerosodontosaurus? Hovasaurus Tangasaurus †Weigeltisauridae Coelurosauravus Glaurung Rautiania Weigeltisaurus †Ichthyosauromorpha see Ichthyosauromorpha †Helveticosauridae Eusaurosphargis? Helveticosaurus †Saurosphargidae Hemilopas? Largocephalosaurus Prosaurosphargis Saurosphargis Sinosaurosphargis Stauromatodon? †Sauropterygia see Sauropterygia †Thalattosauria Blezingeria? Neosinasaurus? Askeptosauroidea Anshunsaurus Askeptosaurus Endennasaurus Miodentosaurus Wayaosaurus Thalattosauroidea Agkistrognathus Clarazia Concavispina Gunakadeit Hescheleria Nectosaurus Paralonectes Thalattosaurus Wapitisaurus? Xinpusaurus †Choristodera Coeruleodraco Cteniogenys Heishanosaurus Irenosaurus Pachystropheus? Allochoristodera Hyphalosaurus Shokawa Monjurosuchus Philydrosaurus Khurendukhosaurus Lazarussuchus Neochoristodera Champsosaurus Ikechosaurus Kosmodraco Liaoxisaurus Mengshanosaurus Simoedosaurus Tchoiria †Drepanosauromorpha Ancistronychus Avicranium Dolabrosaurus Drepanosaurus Hypuronector Kyrgyzsaurus Longisquama? Megalancosaurus Protoavis? Skybalonyx Vallesaurus †Kuehneosauridae Icarosaurus Kuehneosaurus Kuehneosuchus Pamelina Rhabdopelix? Sauria (Crown-Reptilia) Lepidosauromorpha see Lepidosauromorpha Includes Lepidosauria includes rhynchocephalians and squamates Archelosauria Archosauromorpha see Archosauromorpha Includes Archosauria includes birds and crocodilians Pantestudines see Pantestudines Includes Testudines turtles

See also
Possible sauropsids Araeoscelidia Captorhinidae Protorothyrididae Recumbirostra Varanopidae Other taxa Anapsida Captorhinida Eureptilia Parareptilia Lanthanosuchoidea Millerosauria Procolophonomorpha Ankyramorpha Neodiapsida Eosuchia Younginiformes Avicephala Euryapsida

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