xii CONTENTS 



Order "Eosuchia" 278 



Family Younginidae 278 



Superorder Diaptosauria 279 



Order Rhynchocephalia 279 



Suborder Rhynchosauria 279 



Sphenodontia (Rhynchocephalia vera) 281 



Choristodera 283 



? Suborder Thalattosauria 283 



Superorder Archosauria 284 



Order Parasuchia 284 



Suborder Pseudosuchia 284 



Family Aetosauridae 285 



Ornithosuchidae 285 



Scleromechlidae 285 



Suborder Pelycosimia 285 



Suborder Phytosauria 286 



Family Phytosauridae 286 



Stagonolepidae 286 



[Suborder Desmatosuchia] 286 



Order Crocodilia [Loricata] 287 



Suborder Eusuchia 288 



Family Teleosauridae 288 



Pholidosauridae 288 



Atoposauridae 288 



Goniopholididae , 289 



Dyrosauridae 289 



Hylaeochampsidae 289 



Gavialidae 289 



Tomistomidae 289 



Crocodilidae 290 



Genus incertae sedis 290 



Suborder Thalattosuchia 290 



Family Metriorhynchidae 291 



[Dinosauria] 291 



Order Saurischia 291 



Suborder Theropoda 291 



Family Plateosauridae 291 



Anchisauridae 292 



Suborder Sauropoda (Opisthocoelia, Cetiosauria) 292 



Family Cetiosauridae 293 



Camarasauridae 293 



Atlantosauridae 293 



Diplodocidae 293 



Genera incertae sedis 293 



Order Ornithischia [Orthopoda, Predentata] 294 



Suborder Ornithopoda (Predentata) 294 



Family Nanosauridae 294 



Hypsilophodontidae 294 



Iguanodontidae 295 



