Diacodexis primus
AMNH 15671
N/A (N/A)
4 mile Creek
Ectocion ignotum
IGM 3675 (1 of 2)
Sandcouleean (N/A)
Baja California, Mexico
Lambdotherium sp.
UCMP 131869
Lostcabinian (Wa-7)
Green River Basin, WY
Reithroparamys ctendactylops
UCMP 148612
Graybullian (N/A)
Washakie Basin, WY
Arfia junnei
UM 71767 (2 of 3)
Sandcouleean (Wa-0)
Clarks Fork Basin, WY
Arfia junnei
UM 71767 (3 of 3)
Sandcouleean (Wa-0)
Clarks Fork Basin, WY
Didymictis proteus
UM 73714
N/A (Cf-1)
Clarks Fork Basin, WY
Paramys pycnus
UM 76249
Sandcouleean (Wa-2)
Bighorn Basin, WY
Leptacodon rosei
UM 76895
N/A (Cf-3)
Clarks Fork Basin, WY
Sifrhippus sandrae
UM 83473 (2 of 2)
Sandcouleean (Wa-0)
Clarks Fork Basin, WY
Macrocranion junnei
UM 93378
Sandcouleean (Wa-0)
Clarks Fork Basin, WY
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