Higgins Quarry B (MWSU collection)
Basic information
Sample name: Higgins Quarry B (MWSU collection)
Reference: W. W. Dalquest and D. B. Patrick. 1989. Small mammals from the early and medial Hemphillian of Texas, with descriptions of a new bat and gopher. Journal of Vertebrate Paleontology 9(1):78-88 [ER 4174]
Geography
Country: United States
State: Texas
County: Lipscomb
Coordinate: 36.06° N, -100.04° W
Coordinate basis: estimated from map
Scale: quarry
Time interval: Late Miocene
Zone: Hemphillian
Ma: 8.45
Age basis: AEO
Geography comments: "on the old Sibbet Ranch, south of Higgins... S1/2, SE1/4, Section 176, Block 43, Houston and Central Texas Railroad Survey" (coordinate based on Google Maps, assuming the locality is in badlands about two miles south of Higgins)
said to be early Hemphillian
said to be early Hemphillian
Environment
Lithology: sandstone
Habitat comments: "sandy matrix"
Methods
Life forms: bats,rodents,ungulates,other small mammals
Sampling methods: screenwash
Sample size: 55 specimens
Years: 1983, 1984
Museum: Midwestern State University
Sampling comments: "In the summer of 1983 Jon Baskin... and Dalquest excavated the lower jaw of a mastodon (Amebelodon)... The enclosing matrix was screen-washed" and "approximately two tons" of matrix were screenwashed in 1984
earlier collections of the UCMP, Panhandle Plains Historical Museum, and the AMNH described in earlier papers are not included
earlier collections of the UCMP, Panhandle Plains Historical Museum, and the AMNH described in earlier papers are not included
Metadata
Sample number: 4635
Contributor: John Alroy
Enterer: John Alroy
Created: 2025-01-03 23:28:27
Modified: 2025-01-03 23:28:27
Abundance distribution
9 species
5 singletons
total count 55
geometric series index: 25.0
Fisher's α: 3.057
geometric series k: 0.6687
Hurlbert's PIE: 0.6603
Shannon's H: 1.4072
Good's u: 0.9091
Each square represents a species. Square sizes are proportional to counts.
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Register
| Amebelodon sp. | 1 | |
| Antrozous pallidus | 3 | 16.5 g insectivore |
| Czaplewski 1993: "Pizonyx wheeleri" type | ||
| †Hypolagus vetus | 3 | |
| Mylagaulus sp. | 1 | |
| Spermophilus sp. | 19 | |
| compared to wilsoni, dotti, and variegatus | ||
| †Kansasimys dubius | 1 | |
| Eomyidae indet. | 1 | |
| small | ||
| Heteromyinae indet. | 1 | |
| "Perognathus sp." | ||
| †Pliosaccomys higginsensis | 25 | |
| type | ||