Little Muddy Creek
Basic information
Sample name: Little Muddy Creek

Reference: C. L. Gazin. 1969. A new occurrence of Paleocene mammals in the Evanston Formation, southwestern Wyoming. Smithsonian Contributions to Paleobiology 2:1-16 [ER 4117]
Geography
Country: United States

State: Wyoming

County: Lincoln

Coordinate: 41.58° N, -110.69° W
Latlng basis: stated in text

Scale: quarry

Formation: Evanston

Time interval: Middle Palaeocene

Zone: Torrejonian

Ma: 60.55

Age basis: AEO

Geography comments: "between Bell and Little Muddy Creeks, near the southwestern corner of section 31, T. 19 N., R. 117 W., very close to the south boundary of Lincoln County... The exposure is of rather limited extent"
said to be To3 by Higgins (2003)

•
Environment
Lithology: not described

Habitat comments: "variegated strata" (no other details given)
mostly "isolated teeth and indeterminate bone fragments"

Methods
Life forms: primates, ungulates, other small mammals

Excluded forms: turtles

Sample size: 64 specimens

Years: 1959, 1961

Museum: USNM

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: discovered by Joshua I. Tracy, Jr. and Steven S. Oriel in 1959 and collected by Tracy, Oriel, Franklin L. Pearce and C. L. Gazin in 1961 with further collections in 1963, 1964, 1965, and 1967
"no remains of fish, and, among reptiles, only indeterminate fragments of a turtle have been seen"

Metadata
Sample no: 4548

Contributor no: John Alroy

Enterer: John Alroy

Created: 2024-12-03 11:08:24

Modified: 2024-12-03 11:08:24

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
15 species
5 singletons
total count 64
geometric series index: 30.7
Fisher's α: 6.17
geometric series k: 0.8135
Hurlbert's PIE: 0.8606
Shannon's H: 2.2941
Good's u: 0.9233
Register
†Ptilodus cf. montanus 1
†Neoplagiaulax cf. grangeri 1
†Ectypodus cf. powelli 1
"near" this species
Leptacodon ladae = †Adunator ? ladae 2
"possibly" this species
†Aphronorus orieli 18
type
†Torrejonia sirokyi 2
Gunnell (1989): "Torrejonia cf. wilsoni"
†Nannodectes cf. intermedius 2
Gingerich et al. (1983): "Pronothodectes cf. matthewi"
†Chriacus cf. pelvidens 6
Chriacus truncatus = †Chriacus cf. baldwini 4
Tricentes subtrigonus = †Mimotricentes cf. subtrigonus 8
5 enumerated plus "some fragments of lower teeth" (3+)
†Promioclaenus cf. lemuroides 8
approximate count
†Promioclaenus cf. acolytus 4
†Litaletes cf. disjunctus 1
Haplaletes sp. 5
?
Condylarthra indet.1
?: a different form