Knight Station (Eocene of the United States)

Where: Uinta County, Wyoming (41.2° N, 110.5° W: paleocoordinates 46.3° N, 94.3° W)

• coordinate based on political unit

When: Wasatch Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. L. Gazin. 1962. A Further Study Of The Lower Eocene Mammalian Faunas Of Southwestern Wyoming. Smithsonian Miscellaneous Collections 144(1):1-98 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15661: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Evangelos Vlachos and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• in the "Knight Mbr."
said to be of "Lysite" age and in the "La Barge" horizon, below the Cathedral Bluffs Tongue; apparently the "small medial Wasatchian mammalian assemblage that includes Heptodon" from the type area of the Wasatch Fm. near Evanston of Krishtalka et al. 1987 p. 103L
"Diacodon sp." is listed by Van Houten 1945 but omitted by Gazin
"? Pelycodus sp." is listed by Gazin 1952 but omitted by Gazin 1962

"Didymictis cf. altidens" is listed by Van Houten 1945 and Gazin 1952 but omitted by Gazin 1962
Reptilia
 Testudines - Baenidae
Baena arenosa3 Leidy 1870 turtle
AMNH 6041, AMNH expedition of 1906, partial carapace
Mammalia
 Cimolesta - Coryphodontidae
Coryphodon radians Cope 1872 pantodont
includes "C. hamatus" and "C. semicinctus" of earlier authors and "C. anthracoideus" and "C. subquadratus" of Lucas 1998b
Coryphodon armatus Cope 1872 pantodont
not directly listed by Gazin, but type of "C. elephantopus" is indicated to be from here
 Cimolesta - Esthonychidae
Esthonyx sp. Cope 1874 tillodont
 Primates - Microsyopidae
Microsyops sp.1 Leidy 1872 primate
 Rodentia - Ischyromyidae
Paramys excavatus Loomis 1907 rodent
possibly the same as P. copei copei and/or P. copei major and/or P. excavatus excavatus from "Knight" described by Wood 1962
Acritoparamys francesi4 Wood 1962 rodent
 Condylarthra - Hyopsodontidae
Hyopsodus powellianus1 Cope 1884 condylarth
 Tribosphenida - Phenacodontidae
Phenacodus sp.1 Cope 1873 condylarth
 Perissodactyla -
Heptodon calciculus1 Cope 1880 odd-toed ungulate
 Perissodactyla - Equidae
Minippus index2 Cope 1873 horse
possibly includes the type, see Granger 1908; type of "Orotherium index" is also from "Evanston"
 Artiodactyla - Homacodontidae
Hexacodus pelodes Gazin 1952 even-toed ungulate
Hexacodus uintensis Gazin 1952 even-toed ungulate