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Anceney
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Basic information
Sample name: Anceney

Reference: J. F. Sutton and W. W. Korth. 1995. Rodents (Mammalia) from the Barstovian (Miocene) Anceney local fauna, Montana. Annals of Carnegie Museum 64(4):267-314 [ER 2343]
Geography
Country: United States

State: Montana


Coordinate: 45° 40' N, 111° 18' W
Coordinate basis: stated in text

Formation: Madison Valley

Time interval: Early Miocene

Ma: 17.1

Geography comments: "approximately 21 km (13 mi) west of Bozeman... along Route 131 (center, N 1/2, sec. 13, T2S, R3E)"
said to be early Barstovian
2008 AEO age estimate

•
Environment
Substrate: ground surface

Lithology: sandstone

Habitat comments: "channel accumulations of sands, gravel, clays, and tuffaceous materials"

Methods
Life forms: rodents

Sampling methods: screenwash

Sample size: 1035 specimens

Sampling comments: only rodents are listed; other small mammals are not described

Metadata
Sample number: 2507

Contributor: John Alroy

Enterer: John Alroy

Created: 2017-02-13 12:24:28

Modified: 2017-02-13 01:44:23

Abundance distribution
16 species
3 singletons
total count 1035
extrapolated richness: 22.4
Fisher's α: 2.686
geometric series k: 0.6581
Hurlbert's PIE: 0.6800
Shannon's H: 1.5623
Good's u: 0.9971
Each square represents a species. Square sizes are proportional to counts.
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Register
Trilaccogaulus bettae141
new
Mylagaulus vetus15
Marmotini indet.18
"Tamias sp."
Spermophilus (Otospermophilus) jerae7
new
Cynomys sp.2
questionably referred
Euroxenomys inconnexus14
new
Mookomys thrinax75
new
Mookomys cf. formicarum2
Peridiomys sp.1
Peridiomys halis180
new
Perognathus ancenensis20
new
Perognathus sp.1
Cupidinimus madisonensis532
Cupidinimus cf. eurekensis1
Phelosaccomys cf. annae14
Copemys lindsayi12
new
Current reference: Huckleberry et al. 2001 (ER 3215)