CLASSIFICATION OF V ERIE BR ATA 



22 



6. Sub-CLAKS DINOSAUPJA, Pictet 



Stereospondylous. Quadrate fixed. Eibs with capituluin 

 and tuberculum. Limbs terrestrial. "With distal ischiadic syn- 

 Itsmosis. Ilium horizontally elongated. With sternum. 

 Upper Triassic, Jurassic, and Cretaceous. 



1 . Order Sauropoda, Marsh. Pubes simple, with symphysis. 

 'niiiaxillu with teeth. Fore- and hind-limbs pentadactyle, 

 ilantigrade. 



Atlantosaurus, Brontosauru s, Morosaurus, Diplodocus : 

 mostly gigantic beasts of the Upper Jurassic of Wyoming. 

 Ornithopsis. Wealden, England. 



2. Order Theropoda, Marsh. Pubes simple, with symphysis, 

 'rcmaxilla with teeth. Carnivorous. Fore-limbs shorter than 

 lind-limbs. Metatarsals elongated. Digitigrade. 



Anchisaurns. Upper Trias, Connecticut. 

 Brontozoum (Ornithichnites). Connecticut. 

 Zanclodon. Keuper, Wuerttemberg. 

 Megalosaurus . Oolite, Europe and Colorado. 

 Allosaurus, Qe ratosa urus, Coelurus, Hallopus. Upper 



Jurassic, U.S.A. 

 Compsognathus. Oolite, Bavaria; hind -limb almost 



typically avine. 

 Order Orthopoda, Cope. Each pubis consisting of an 

 anterior (prepubis) and a posterior (postpubis) arm, without 

 symphyses. 



Premaxilla without teeth, and with a predentary 

 edentulous piece. Herbivorous. 



1. Sub-order STEGOSAUFJ, Marsh. Plantigrade. With 

 dermal armour. 



Scelidosaurus. Lias to Chalk, England. 

 Stegosa urus. Jurassic, North America. 



2. Sub-order ORNITHOPODA, Marsh. Fore-limbs much 

 shorter than hind -limbs, but stout and with five fingers. 

 Hind-limbs elongated, digitigrade. 



Camptosaurus and Laosaurus. Upper Jurassic, U.S.A. 

 Hypselophodon. Wealden, England. 

 Iguauodon. Wealden, Europe. 



