XIV 



LIFE ON I AND: THE REPTILES 



1 . Classification 



Class. Reptilia 

 Subclass i. Anapsida 



Order i. *Cotylosauria. Carboniferous-Trias 



*Seymouria; *Captorhimis; *Diadectes 

 Order 2. Chelonia. Permian-Recent 



*Eunotosaurus; *Triassochelys; Chelys; Emys; Chelone; 



Testudo 



Subclass 2. *Synaptosauria 



Order 1. *Protorosauria. Permian-Trias 



*Araeoscelis; * Tanystropheus 

 Order 2. *Sauropterygia. Trias-Cretaceous 



*Lariosaurus; *PHosaurus; *Plesiosaurus; *Placodus 



Subclass 3. # Ichthyopterygia 



Order 1. *Ichthyosauria. Trias-Cretaceous 

 *Mixosaurus; * Ichthyosaurus 



Subclass 4. Lepidosauria 



Order 1. *Eosuchia. Permian-Eocene 



* Yoimgina; *Prolacerta 

 Order 2. Rhynchocephalia. Trias-Recent 



*Homoesaurus; * Rhynchosaurus ; Sphenodon (= Hatteria) 

 Order 3. Squamata. Trias-Recent 



Suborder 1. Lacertilia (= Sauria). Trias-Recent 

 Infraorder 1. Gekkota. Mainly Recent 



Gecko 

 Infraorder 2. Iguania. Cretaceous-Recent 

 Iguana; Anolis; Phrynosoma; Draco; Lyriocephahis ; Agama; 



Chamaeleo 

 Infraorder 3. Scincomorpha. Eocene-Recent 

 Lacerta; Scincus; Amphisbaena 

 Infraorder 4. Anguimorpha. Cretaceous-Recent 

 *Dolichosaurus; * Aigialosaurus ; *Tylosaurus; Varanus; Lan- 

 thanotus; Atwuis 



