Megatherium—ground sloth.
Family Myrmecophagidae. Myrmecophaga—great ant-eater.
Cycloturus—two-toed ant-eater.
Family Dasypodidae. Chlamydophorus }
Dasypus }—armadillos.
Priodon }
Tatusia }
Family Glyptodontidae. Glyptodon.
Family Manidae. Manis—pangolin.
Family Orycteropodidae. Orycteropus—aard vark.
Order 2. Sirenia.
Family Manatidae. Manatus—manatee.
Family Rhytinidae. Rhytina—Steller's sea-cow.
Family Halicoridae. Halicore—dugong.
Family Halitheriidae. Halitherium.
Order 3. Cetacea.
Suborder (1). Archaeoceti.
Family Zeuglodontidae. Zeuglodon.
Suborder (2). Mystacoceti or Balaenoidea.
Family Balaenidae. Balaena—right whale.
Megaptera—humpbacked whale.
Balaenoptera—rorqual.
Suborder (3). Odontoceti.
Family Physeteridae. Physeter—sperm whale.
Hyperoödon—bottlenose.
Ziphius.
Mesoplodon.
Family Physodontidae. Physodon.
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