- Family Squalodontidae. Squalodon.
- Family Platanistidae. Platanista—Gangetic dolphin.
- Inia.
- Pontoporia.
- Family Delphinidae. Monodon—narwhal.
- Phocaena—porpoise.
- Orca—killer.
- Globicephalus—Ca'ing whale.
- Grampus.
- Lagenorhynchus.
- Delphinus—dolphin.
- Tursiops.
- Prodelphinus.
- Order 4. Ungulata.
- Division A. Ungulata vera.
- Suborder (1). Artiodactyla.
- Section (a). Suina.
- Family Hippopotamidae. Hippopotamus.
- Family Suidae. Sus—pig.
- Babirussa.
- Phacochaerus—wart hog.
- Hyotherium.
- Family Cotylopidae. Cotylops (Oreodon).
- Cyclopidius.
- Family Agriochoeridae. Agriochoerus.
- Family Anoplotheriidae. Anoplotherium.
- Section (b). Tylopoda.
- Family Camelidae. Camelus—camel.
- Auchenia—llama.
- Section (c). Tragulina.
- Family Tragulidae. Dorcatherium (Hyomoschus)—chevrotain.
Section (d). Ruminantia or Pecora.
- Family Cervidae. Moschus—musk deer.
- Cervus—deer.
- Cervulus—muntjac.
- Hydropotes—Chinese water deer.
- Family Giraffidae. Giraffa—giraffe.
- Sivatherium.
- Family Antilocapridae. Antilocapra—prongbuck.
- Family Bovidae. Tetraceros—four-horned antelope.
- Gazella—gazelle.
- Bos—ox.
- Bison.
- Bubalus—buffalo.
- Suborder (2). Perissodactyla.
- Family Tapiridae. Tapirus—tapir.
- Family Lophiodontidae. Lophiodon.
- Hyracotherium.
- Family Palaeotheriidae. Palaeotherium.
- Family Equidae. Hipparion.
- Equus—horse.
- Family Rhinocerotidae. Rhinoceros.
- Elasmotherium.
- Family Titanotheriidae. Titanotherium (Brontops).
- Palaeosyops.
- Family Chalicotheriidae. Chalicotherium.
- Family Macraucheniidae. Macrauchenia.
- Division B. Subungulata.
- Suborder (1). Toxodontia.
- Family Astrapotheriidae. Astrapotherium.
- Family Nesodontidae. Nesodon.
- Family Toxodontidae. Toxodon.
- Family Typotheriidae. Typotherium.
- Suborder (2). Condylarthra.
- Family Phenacodontidae. Phenacodus.
- Suborder (3). Hyracoidea.
- Family Hyracidae. Procavia (Hyrax).
- Suborder (4). Amblypoda.
- Family Coryphodontidae. Coryphodon.
- Family Uintatheriidae. Uintatherium (Dinoceras).
- Suborder (5). Proboscidea.
- Family Dinotheriidae. Dinotherium.
- 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.
- Family Cebidae. Mycetes—howling monkey.
- Ateles—spider monkey.
- Family Cercopithecidae. Cynocephalus—baboon.
- Macacus.
- Colobus.
- Family Simiidae. Hylobates—gibbon.
- Simia—orang.
- Gorilla.
- Anthropopithecus—chimpanzee.
- Family Hominidae. Homo—man.