WIld Horse Creek #1
Basic information
Sample name: WIld Horse Creek #1

Sample aka: OMNH V697

Reference: N. J. Czaplewski, J. P. Thurmond, and D. G. Wyckoff. 2001. Wild Horse Creek 1: A late Miocene (Clarendonian-Hemphillian) vertebrate fossil assemblgae in Roger Mills County, Oklahoma. Oklahoma Geology Notes 61(3):60-67 [ER 4094]
Geography
Country: United States

State: Oklahoma


County: Roger Mills


Coordinate: 35.78° N, -94.85° W
Coordinate basis: stated in text

Formation: Ogallala

Time interval: Late Miocene

Geography comments: "from a road cut on the south side of State Highway 47, 8 km (5 mi) east of Roll... near the head of the south-flowing WIld Horse Creek, in the NW1/4 sec. 15, T. 15 N., R. 23 W." (coordinate based on the midpoint of sec. 15)
the authors are unsure as to whether the fauna is Clarendonian or early Hemphillian

•
Environment
Lithology: siliciclastic (mixed)

Taphonomic context: aeolian deposit

Habitat comments: Unit 2 is "red silty clay" and Unit 3 is "cross-bedded sand... All the depositional units appear to be eolian"

Methods
Life forms: carnivores,ungulates,turtles

Sample size: 20 specimens

Years: 1983

Museum: OMNH

Sampling comments: "bone fragments" were collected, presumably from the surface

Metadata
Sample number: 4518

Contributor: John Alroy

Enterer: John Alroy

Created: 2024-11-24 05:24:51

Modified: 2024-11-24 05:24:51

Abundance distribution
9 species
4 singletons
total count 20
geometric series index: 26.8
Fisher's α: 6.296
geometric series k: 0.7841
Hurlbert's PIE: 0.8053
Shannon's H: 1.9419
Good's u: 0.8146
Each square represents a species. Square sizes are proportional to counts.
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Register
Hesperotestudo sp.3
one specimen may be Gopherus
Mammalia indet.1
size of Martes or Marmota
Borophagus sp.2
Tayassuidae indet.1
Camelidae indet.7
†Cormohipparion occidentale2
†Hipparion tehonense1
†Calippus martini2
Equini indet.1