Restoration by Charles R. Knight [6]
Skeletons in the American Museum of Natural History [7]
Front - Hypohippus osborni Back - Eohippus venticolus
Restoration by Heinrich Harder
Lower Teeth Drawing [8] Hypohippus, near affinis m1 and m2
Top - grinding surface
Crown height at middle of occusal face 19.5 mm
Fd. Mojave Desert, California, USA
Leg Bone Drawings [9]
Hypohippus, near affinis
A - Astragalus, greatest length 54.5 mm
B - Phalanx 1 and 2 of Digit III, No. 21216,
Phalanx 1 greatest length 49.3 mm
C - Phalanx 1 No. 21211
A
B
C
1
2
Perissodactyla/Equidae/Anchitheriiane
________________________
[2] Ibid.
[3] Simpson, George, Horses, (Garden City, New York: Doubleday & Company, Inc., 1961), 257
[4] wikipedia, Ibid.
[4] Osborn, Henry, The Age of Mammals in Europe, Asia and North America, (New York: The MacMillian Co., 1921), 297
[7] Ibid., 295
[8] Merriam, John, Tertiary Mammalian Faunas of the Mohave Desert, (University of California Publications, 1919), 473
[9]
Ibid., 474
[10] Osborn, 56
Partial Unearthed Skeleton [10]
Hypohippus
Fd. Plains of Colorado, USA in wind blown sediment
Hypohippus
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|
Size |
About size of pony [1] |
|
Eye sockets |
Incomplete bony rim |
|
Type of teeth |
Low crowned |
|
Toes |
Three toes per leg [2] |
|
Hooves/pads |
Pads
[3] |
|
Locations found |
Nebraska, Colorado, and Montana [3], China [4] |
|
Other |
Nineteen rib pairs per Hypohippus osborni skeleton below?
Found
side by side with Parahippus, Merychippus, and high crowned Protohippus, and Hipparion [5] |
Hypohippus