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
Latlng 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

•
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

Net or trap nights: 0

kg screened: 2032

Basal area status: not applicable

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

Metadata
Sample no: 4635

Contributor no: John Alroy

Enterer: John Alroy

Created: 2025-01-03 23:28:27

Modified: 2025-01-03 23:28:27

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
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
Register
Amebelodon sp. 1
Antrozous pallidus 3
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