J., & Meters.F. Skinner. 1981. Earliest holarctic hipparion, Cormohipparion goorisi letter.sp. (Mammalia, Equidae) regarding Barstovian (medial Miocene) Colorado gulf of mexico coastal ordinary. J. Paleontology 55(3):619-627. (Description from an excellent hipparion that was receive having crossed into the outdated Community regarding the New world earlier than before knew.)
Prothero, D.R., & Roentgen.Meters. Schoch, eds. 1989. The newest Development out of Perissodactyls . Clarendon Press, New york. (A collection off most recent lookup and you may ideas from perissodactyl development. The next chapters was basically such as for example useful:
Radinsky, L. 1983. Allometry and reorganization from inside the horse head size. Science 221 (sixteen Sept):1189-1191 (Study off pony skull transform around the big date that ponies developed high-crowned pearly whites, ranging from fifteen and you will twenty five billion in years past.)
Tends to make, Elizabeth. 1984. The fresh new gait out-of Hipparion sp. of fossil footprints inside Laetoli, Tanzania. Characteristics -181. (Fascinating report detailing traditional hoofprints regarding a grownup women hipparion and you will their foal. Read More