Sifrhippus

Taxobox
name = "Sifrhippus"


fossil_range = Early Eocene
regnum = Animalia
phylum = Chordata
classis = Mammalia
ordo = Perissodactyla
familia = Equidae
genus = †"Sifrhippus"
genus_authority = Froehlich, 2002
binomial = †"Sifrhippus sandrae"
binomial_authority = (Gingerich, 1989)

"Sifrhippus" ("zero horse") is an extinct genus of horse. "Sifrhippus" is the oldest horse known from North America, and its fossils come from the earliest Eocene of the Bighorn Basin, Wyoming.cite journal | author = Gingerich, P.D. | year = 1989 | title = New earliest Wasatchian mammalian fauna from the Eocene of northwestern Wyoming: composition and diversity in a rarely sampled high-floodplain assemblage | journal = University of Michigan Papers on Paleontology | volume = 28 | issue = | pages = 1–97 | url = http://hdl.handle.net/2027.42/48628] cite journal | author = Froehlich, D.J. | year = 2002 | title = Quo vadis eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla) | journal = Zoological Journal of the Linnean Society | volume = 134 | issue = 2 | pages = 141–256 | doi = 10.1046/j.1096-3642.2002.00005.x] "Sifrhippus" was a very small horse the size of a house cat.

References