Hyopsodus

Hyopsodus; Temporal range: Early Eocene
	Endocast of the skull of H. lepidus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Family:	†Hyopsodontidae
Genus:	†Hyopsodus; Leidy, 1870
Type species
	†Hypsodus paulus;
Species
	H. fangxianensis Huang, 1995; H. fastigatus Russell and Wickenden, 1933; H. huashigouensis Tong, 1989; H. itinerans Godinot, 1978; H. latidens Denison, 1937; H. lepidus Matthew, 1909; H. loomisi McKenna, 1960; H. lysitensis Gingerich, 1974; H. markmani Abel and Cook, 1925; H. mentalis Cope, 1875; H. minor Loomis, 1905; H. minusculus Leidy, 1873; H. miticulus Cope, 1874; H. paulus Leidy, 1870; H. pauxillus Gingerich, 1994; H. powellianus Cope, 1884; H. pygmaeus Cope, 1871; H. sholemi Krishtalka, 1979; H. simplex Loomis, 1905; H. tonksi Eaton, 1982; H. uintensi Osborn, 1902; H. walcottianus Matthew, 1915; H. wardi Hooker, 1979; H. wortmani Osborn, 1902;

Hyopsodus is a genus of extinct early ungulate mammal of the family Hyopsodontidae, a group associated with or basal to the Perissodactyla. It was a small mammal with skull of about 6 cm in length. Fossils of this genus have been found in the Eocene of North America, especially the Bighorn Basin region of the United States. It has also been found in Eurasia.

Hyopsodus Temporal range: Early Eocene

Endocast of the skull of H. lepidus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Family:	†Hyopsodontidae
Genus:	†Hyopsodus Leidy, 1870
Type species
†Hypsodus paulus
Species
H. fangxianensis Huang, 1995 H. fastigatus Russell and Wickenden, 1933 H. huashigouensis Tong, 1989 H. itinerans Godinot, 1978 H. latidens Denison, 1937 H. lepidus Matthew, 1909 H. loomisi McKenna, 1960 H. lysitensis Gingerich, 1974 H. markmani Abel and Cook, 1925 H. mentalis Cope, 1875 H. minor Loomis, 1905 H. minusculus Leidy, 1873 H. miticulus Cope, 1874 H. paulus Leidy, 1870 H. pauxillus Gingerich, 1994 H. powellianus Cope, 1884 H. pygmaeus Cope, 1871 H. sholemi Krishtalka, 1979 H. simplex Loomis, 1905 H. tonksi Eaton, 1982 H. uintensi Osborn, 1902 H. walcottianus Matthew, 1915 H. wardi Hooker, 1979 H. wortmani Osborn, 1902