Hayden, Leidy. 1869. Acad.Nat.Sci.Philadelphia Jour. 7,ser.2 (n.4): 299, pl.17,f.8,9,meas. Stirton, R. A. 1940. California Univ.Pubs.Geol.Sci. 25 (n.4): 182.
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Equidae Data Source ...
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