Family =Elephantidae=. _Mastodon._ Elephas--elephant. Group Tillodontia. Order 5. RODENTIA. Suborder (1). SIMPLICIDENTATA. Section SCIUROMORPHA. Family =Castoridae=. Castor--beaver. Section MYOMORPHA. Family =Lophiomyidae=. Lophiomys. Family =Muridae=. Hydromys. Acanthomys--spiny mouse. Mus--mouse. Family =Spalacidae=. Bathyergus. Family =Dipodidae=. Dipus--jerboa. Pedetes--Cape jumping-hare. Section HYSTRICOMORPHA. Family =Hystricidae=. Hystrix--porcupine. Family =Chinchillidae=. Chinchilla. Lagostomus--viscacha. Family =Dasyproctidae=. Coelogenys--paca. Dasyprocta--agouti. Family =Caviidae=. Cavia--guinea-pig. Hydrochaerus--capybara. Suborder (2). DUPLICIDENTATA. Family =Leporidae=. Lepus--hare and rabbit. Order 6. CARNIVORA. Suborder (1). CREODONTA. Family =Hyaenodontidae=. _Hyaenodon._ Suborder (2). CARNIVORA VERA or FISSIPEDIA. Section ÆLUROIDEA. Family =Felidae=. Felis--cat, lion, tiger. _Machaerodus_--sabre-toothed lion. Family =Viverridae=. Viverra--civet. Paradoxurus--palm civet. Family =Protelidae=. Proteles--aard wolf. Family =Hyaenidae=. Hyaena. Section CYNOIDEA. Family =Canidae=. Canis--dog, wolf, fox. Section ARCTOIDEA. Family =Ursidae=. Ursus--bear. Family =Mustelidae=. Latax--sea otter. Suborder (3). PINNIPEDIA. Family =Otariidae=. Otaria--sea lion. Family =Trichechidae=. Trichechus--walrus. Family =Phocidae=. Ogmorhinus--sea leopard. Order 7. INSECTIVORA. Suborder (1). DERMOPTERA. Family =Galeopithecidae=. Galeopithecus--'flying lemur'. Suborder (2). INSECTIVORA VERA. Family =Macroscelidae=. Macroscelides--jumping shrew. Family =Erinaceidae=. Erinaceus--hedgehog. Gymnura. Family =Soricidae=. Sorex--shrew. Family =Talpidae=. Talpa--mole. Family =Potamogalidae=. Potamogale. Family =Solenodontidae=. Solenodon. Family =Centetidae=. Microgale. Centetes--tenrec. Family =Chrysochloridae=. Chrysochloris--golden mole. Order 8. CHIROPTERA. Suborder (1). MEGACHIROPTERA. Family =Pteropidae=. Pteropus--flying fox. Suborder (2). MICROCHIROPTERA. Family =Rhinolophidae=. Horseshoe bats. Family =Phyllostomatidae=. Desmodus--vampire. Order 9. PRIMATES. Suborder (1). LEMUROIDEA. Family =Tarsiidae=. Tarsius--tarsier. Family =Chiromyidae=. Chiromys--aye aye. Suborder (2). ANTHROPOIDEA. Family =Hapalidae=. Hapale--marmoset.