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
Coordinate 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

•
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

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 number: 4589

Contributor: John Alroy

Enterer: John Alroy

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

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

Abundance distribution
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: 1.9870
Good's u: 0.6471
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Register
Ectypodus sp. B3
Ptilodus cf. tsosiensis4
Peradectes cf. pusillus = †Thylacodon cf. pusillus1
Cimolestes sp.1
Procerberus sp.1
Oxyclaenus cuspidatus1
Oxyclaenus sp.1
cf.
Baioconodon cf. denverensis1
Periptychidae indet.4