Ferris Formation (UW locality V-91025)
Basic information
Sample name: Ferris Formation (UW locality V-91025)

Reference: J. J. Eberle and J. A. Lillegraven. 1998. A new important record of earliest Cenozoic mammalian history: geologic setting, Multituberculata, and Peradectia. Rocky Mountain Geology 33(1):3-47 [ER 4135]
Geography
Country: United States

State: Wyoming

County: Carbon

Coordinate: 41.94° N, -106.85° W
Latlng basis: estimated from map

Formation: Ferris

Time interval: Early Palaeocene

Zone: Puercan

Section: Ferris

Unit number: 4

Unit order: below to above

Geography comments: NE 1/4, sec. 27, T. 23 N., R. 84 W.
said to be in the basal Pu2 zone

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Environment
Lithology: siliciclastic (mixed)

Habitat comments: shown in Fig. 2 as coming from a what appears to be a "Mudstone, shale, and siltstone" bed

Methods
Life forms: ungulates, other small mammals

Sample size: 17 specimens

Years: 1991

Museum: University of Wyoming

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: presumably discovered in 1991
collecting methods not specified, possibly screenwashed
counts are based on two companion papers by Eberle and Lillegraven (1998), ER refs 4135 and 4136

Metadata
Sample no: 4589

Contributor no: John Alroy

Enterer: John Alroy

Created: 2024-12-09 04:31:32

Modified: 2024-12-09 04:31:32

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
9 species
6 singletons
total count 17
geometric series index: 37.4
Fisher's α: 7.753
geometric series k: 0.8409
Hurlbert's PIE: 0.8272
Shannon's H: 1.987
Good's u: 0.6471
Register
Ectypodus sp. B 3
Ptilodus cf. tsosiensis 4
Peradectes pusillus = †Thylacodon cf. pusillus 1
Cimolestes sp. 1
Procerberus sp. 1
Oxyclaenus cuspidatus 1
Oxyclaenus sp. 1
cf.
Baioconodon cf. denverensis 1
Periptychidae indet.4