CLASSIFICATION OF ANIMALS. 



J In: 



Rhizoxjoda. 

 PROTOZOA .J"'fusoria 



1 Foramiiiifera. 

 I Sporozoa. 

 MESOZOA . DicyemidEP- 



f LSpongidce 



fCiliata, 

 ■ \ Flagellata. 



f Hydn 

 'I Actin 



ACHOBDATA / 



= Invertebrata \ 



O 

 tsi 



Arthropoda 



Mollusca . 



CHORDATA / 



= Vertebrata. \ 



[A more re- 

 cent classifica- 

 tion of Verte- 

 brates has just 

 appeared, by 

 Dr Hans Ga- 

 dow, and ■will 

 be referred to 

 later.] 



Craniota 



rozoa. 

 Ccdenterata . -i Actinozoa. 

 ( Ctenophora. 

 rEchinuridai. 

 Echinoder7nata\ Asteridse. 



LHolothuridffi. 



/ i Trematoda. 



PlatyhelmiDthea < Cestoda, 



( Nemertini. 

 L, ^, , . ., ( Nematoda. 

 Nemathelmmthes j Acanthocephala. 



f Ohaetopoda. 

 Annelida .- Gephyrea. 



\^ Hirudin ea. 



f lulidEP. 

 ■ "( Scolopendridae. 



( Malacostraca. 

 ■ "( Bntomostraca. 



} Scorpionida;. 

 . - Axaneidffi. 



( Acarina. 



iColeoptera. 

 Hyinenoptera. 

 Ijcpidoptera. 

 Diptera. 

 Hemiptera. 

 Nenroptera. 



/Peripatus. 

 Myriopoda 



Arachnoidea 



i Mollusca 

 J (Proper) 



I Orthoptera. 



\Aptera. 



/ Lam elli bran chiata. 



J Gastropoda. 

 "j Pteropoda. 

 I [ Cephalopoda. 



(MolLscoidea • { fjj^^^r'" 

 ( Hemichordata (Balanoglossus). 

 I Urochordata. (Ascidians). 

 (Cephalochordata (Amphioxus). 



/ / Marsipobranchii. 



\ Elasmobranchii. 

 . ■! GaDoidei. 

 j Dipnoi. 

 \ Teleostei. 

 ( Ophiomorpha. 

 , -, Anoiira. 

 l^Urodela. 

 rChelonia. 

 I Ophidia. 



\Lacertilia. 

 Crocodilia. 

 ( RatitEe. 

 ' \ Carinatje. 

 /Ornithodelphia = IMonotremata. 



( 



Ichthyoi:isida ■ 



Sauropsida . ■ 



Pisces 



Amphibia 



I Reptilia 



I Aves 



Didelphii 



\ Monodelphia .- 



= ^Iarsupialia. 

 /'Edentata. 



Sirenia. 



Cetacea. 



Ungulata. 



Proboscidea. 



Carnivora. 



Rodentia. 



lusectivom. 



Cheiroptem. 

 ^Primates. 



A Thrips (Thysanoptera) aro now placed in a separate order. 



