CLASSIFICATION OF VERTEBRATA 



61 



APPROXIMATE NUMBER OF RECENT SPECIES 

 OF VERTEBRATA 



REPTILIA 



Rhynchocephali 



Crocodilia 



Chelonia 



Autosauri 



Ophidia 



1 



20 



200 



1620 



1600 



AVES . 

 MAMMALIA 



Total 



10 

 17 



7328 



925 



- 3441 



. 9818 

 . 2702 



. 24,241 



AVES 

 Ratitae 



< 'nlyinbiformes 

 Sphenisci 

 Procellariiformes 

 Ciconiiformes . 

 Anseriforme8 . 

 Falconiformes . 

 Ti nan ii formes . 

 Galliformes 

 Gruiformes 

 Laro-Iimicolae 

 Pteroclo-Columbae 

 Cuculi 



Psittaci . , . 

 Coraciiformes . 

 Passeres anisomyodi 

 Passeres Oscines 



MAMMALIA 

 Monotremata 

 Marsupialia 

 Edentata . 

 Rodentia . 

 Cetacea . 

 Sirenia . 

 Ungulata 

 Carnivora 

 Insectivora 

 Chiroptera 

 Primates . 



17 



19 



12 



90 



155 



150 



350 



35 



367 



233 



270 



360 



200 



400 



1660 



1000 



4500 



9818 



3 



150 



35 



1000 



60 



4 



250 



300 



200 



450 



250 



2702 



