CLASSIFICATION OF ANIMALS 



489 



Order. 

 Suborder. 



Suborder. 



Order. 

 Subdivision. 

 Group. 

 Order. 



Group. 

 Order. 



Class. 

 Grade. 

 Grade. 

 Subclass. 



Subclass. 



Class. 



Grade. 



Grade and Subclass. 



Grade. 



Subclass. 



Subclass. 



* Subclass. 

 Order. 



Order. 

 Order. 



Suborder. 



Suborder. 



Order. 



Order. 



Dinosauria.* 

 Saurischia, e.g. Diplodocus, 



Tyrannosaurus. 

 Predentata (or Ornithischia), 

 e.g. Iguanodon, Stegosaurus, 

 Triceratops. 

 Pterosauria,* e.g. Pteranodon. 

 Theropsida. 

 Synapsida. 



Theromorpha,* e.g. Cynogna- 

 thus. 

 Synaptosauria. 

 Sauropterygia,* e.g. Nothosau- 

 rus, Plesiosaurus. 

 Aves. 



Archaeornithes,* e.g. Archseopteryx. 

 Neornithes. 

 Palseognathse, e.g. Struthio, 

 Emu, Rhea, Cassowary, Ap- 

 teryx (Kiwi), Moa, Tinamu. 

 Neognathse, e.g. Columba, Gal- 

 lus, Megapode, Grebe, Petrel, 

 Diver, Gull, Flamingo, Duck, 

 Phalarope, Dodo, Solitaire, 

 Humming-bird, Penguin. 

 Mammalia. 

 Multituberculata.* 

 Monotremata, e.g. Ornithorhyn- 



chus, Echidna. 

 Ditremata. 

 Trituberculata.* 



Marsupialia, e.g. Didelphys, 

 Ccenolestes, Dasyurus, Thy- 

 lacinus, Perameles, Phasco- 

 larctos, Phascolomys, Pha- 

 langer, Notoryctes, Thyla- 

 coleo, Macropus. 

 Placentalia. 

 DeltatheridiidaB,* e.g. Deltathe- 

 ridium. 

 - Creodonta.* 

 Carnivora. 

 Fissipedia, e.g.Canis, Felis, 



Ursus, Civet, Badger. 

 Pinnipedia, e.g. Seal. 

 Condylarthra.* 

 Amblypoda,* e.g. Uintathe- 



Order. 



Suborder. 



Family. 



Ungulata. 

 Perissodactyla. 

 Titanotheridse,* e.g. Tita- 

 notherium. 



