Reptile Evolution
 
Tetrapoda
Basal Tetrapoda
Reptilomorpha
Lepospondyli
 
Reptilia/Amniota
Gephyrostegus
 
Archosauromorpha
Basal Archosauromorpha
Protosynapsida
Synapsida
Mammalia
Protodiapsida
Diapsida
Terrestrial Younginiformes
Marine Younginiformes
Enaliosauria
Protorosauria
Archosauriformes
Archosauria
Dinosauria
 
Lepidosauromorpha
Urumqia clade
Cephalerpeton clade
Captorhinidae
Milleretta Limnoscelis clade
Bolosaurus Diadectes clade
Turtle Pareiasaur clade
Lanthanosuchia
Owenettidae
Lepidosauriformes
Lepidosauria
Tritosauria
Fenestrasauria • Pterosauria
Protosquamata
Squamata
 
Stereosternum
 
Stereosternum juvenile and adult

Andrews CW 1910. Descriptive Catalogue of the Marine Reptiles of the Oxford Clay, British Museum. (Natural History) Part 1:1-205.

Carroll RL 1988. Vertebrate paleontology and evolution. New York: W. H. Freeman & Co.

Cope ED 1886. A contribution to the vertebrate paleontology of Brazil. Stereosternum tumidum, gen. et sp. nov. Proceedings of the American Philosophical Society 23 (121):1-21.

Jiang D-Y, Rieppel O, Motani R, Hao W-C, Sun Y-I, Schmitz L and Sun Z-Y. 2008. A new middle Triassic eosauropterygian (Reptilia, Sauropterygia) from southwestern China. Journal of Vertebrate Paleontology 28:1055–1062.

Laurin M and Reisz R 1995. A reevaluation of early amniote phylogeny. Zoological Journal of the Linnean Society, 113: 165–223.

Maisch MW 2010. Phylogeny, systematics, and origin of the Ichthyosauri - the state of the art. Palaeodiversity 3: 151–214.

Modesto SP 1999. Observations on the structure of the Early Permian reptile Stereosternum tumidum Cope. Palaeontol. Afr. 35, 7–19.

Vieira PC, Mezzalira S, Ferreira FJF 1991. Mesossaurídeo (Stereosternum Tumidum) e crustáceo (Liocaris Huenei) no Membro Assistência da Formação Irati (P) nos municípios
de Jataí e Montevidiu, estado de Goiás. Revista Brasileira de Geociências, 21:224-235.

Wu X-C, Cheng Y-N, Li C, Zhao L-J and Sato T 2011. New Information on Wumengosaurus delicatomandibularis Jiang et al., 2008, (Diapsida: Sauropterygia), with a Revision of the Osteology and Phylogeny of the Taxon. Journal of Vertebrate Paleontology 31(1):70–83.

wiki/Stereosternum

 
Marine Younginiformes
Galesphyrus
Claudiosaurus
 
Enaliosauria
Anarosaurus
 
Mesosauria
PIMUZ-A-III-0192
SMF R 4710
Stereosternum
Mesosaurus
 
Ichthyopterygia
Wumengosaurus
Hupehsuchus
Utatsusaurus
Ichthyosaurs
 
Thalattosauriformes
Serpianosaurus
Askeptosaurus
 
Placodontia
Palatodonta
Paraplacodus
 
Sauropterygia
Pachypleurosaurus
Qianxisaurus

 

 

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