BIO 370 — Vertebrate Zoology
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Reptile Evolution
Extinct Reptile Fossils

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Basal Reptiles


Cast of a Mesosaurus braziliensis fossil
Clade Parareptilia
Early Permian Period, 278-270 Ma; Brazil
Mesosaurus Fossil Replica
Possible life appearance of Mesosaurus:
Mesosaurus Model



Marine Reptiles ("Euryapsida")


Replica of a juvenile Stenopterygius sp. fossil
Clade Ichthyosauria
Early Jurassic Period, 183-179 Ma; Europe
Stenopterygius Fossil Replica



Possible life appearance of (adult) Stenopterygius:
Stenopterygius Model

Replica of a Xinpusaurus kohi skeleton
Clade Thalattosauria
Late Triassic Period, 237-232 Ma; China
Xinpusaurus Skeleton Replica

Keichousaurus hui adult male fossil
Clade Nothosauria
Middle Triassic Period, 245-234 Ma; China
Keichousaurus Fossil
Possible life appearance of Keichousaurus:
Keichousaurus Model



Cast of a Sinocyamodus sinpuensis fossil
Clade Placodontia
Late Triassic, 237-227 Ma; China
Sinocyamodus Fossil

Stem-Archosaurs (Archosauromorphs)


Juvenile Hyphalosaurus lingyuanensis fossil
Clade Choristodera
Early Cretaceous Period, Yixian Formation, 125 Ma; China
Hyphalosaurus Fossil Replica
Possible life appearance of Hyphalosaurus:
Hyphalosaurus Model



Replica of the only fossil of Sharovipteryx mirabilis
Clade Protorosauria
Late Triassic Period, 225 Ma; Russia
Sharovipteryx Fossil

Replica of Icarosaurus siefkeri fossil
Clade Allokotosauria?
Late Triassic Period, 228 Ma; New Jersey
Icarosaurus Fossil
Possible life appearance of Icarosaurus:
Icarosaurus Model



Pterosaurs


Replica of a Rhamphorhynchus muensteri fossil
Family Rhamphorhynchidae
Late Jurassic Period, 151-148 Ma; Europe
Rhamphorhynchus Fossil Replica
Possible life appearance of Rhamphorhynchus:
Rhamphorhynchus Model



Replica of a Pterodactylus kochi fossil
Family Pterodactylidae
Late Jurassic Period, 145 Ma; Europe)
Pterodactylus Fossil Replica
Possible life appearance of Pterodactylus:
Pterodactylus Model




See additional examples of prehistoric reptile fossils in the Bio113 Virtual Museum:

Synapsids | Miscellaneous Reptiles | Marine Reptiles | Pseudosuchians | Pterosaurs | Dinosaurs: 1 | 2 | 3 | 4 | 5 | 6 | 7 | Birds

This page last updated 29 March 2021 by Udo M. Savalli ()
Images and text © Udo M. Savalli. All rights reserved.