Protorohippus

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[3] ibid.

[6] wikipedia, Ibid.

[7] Wikimedia Commons, public domain photo, background has been modified from original and shadows removed

[8] Public domain photo

[9] F. John, artist,Tiere der Unwelt, Series 2 (Germany, 1906?)

Skeleton

Protorohippus venticolum

Skeleton Cast

Protorohippus venticolum

Most complete skeleton ever found for this

animal with only part of tail missing

Fd. Green River Formation, Wyoming, USA

By Harpers [6]

NPS [7]

Synonyms [6]:

Hyracotherium venticolum Cope, 1881

Hyracotherium vasacciense venticolum Kitts, 1956

Eohippus venticolum Granger, 1908

Restoration by F. John [9]

Size	2 feet long, 1.67 feet tall [1], 1 foot tall at shoulders [2]
Eye sockets	Incomplete bony rim, about 0.59 of skull length from front of skull to center of socket
Type of teeth	Low crowned
Toes	Four toes on foreleg and 3 toes on hindleg [3]
Hooves/pads	Pads
Locations found	North America [4]
Other	Almost complete fossil skeleton of Protorohippus venticolum, except portion of tail, fd. Green River Formation, Wyoming, USA [5] Back arched upward Nineteen rib pairs per first skeleton below Spinous processes unusually long on four cervical vertebraes per first skeleton below