Anceney
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

County: Gallatin

Coordinate: 46° 40' N, 111° 18' W
Latlng 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

Net or trap nights: 0

Basal area status: not applicable

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

Metadata
Sample no: 2507

Contributor no: John Alroy

Enterer: John Alroy

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

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

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
16 species
3 singletons
total count 1035
geometric series index: 22.4
Fisher's α: 2.686
geometric series k: 0.6581
Hurlbert's PIE: 0.68
Shannon's H: 1.5623
Good's u: 0.9971
Register
Trilaccogaulus bettae = †Galbreathia bettae 141
new
Mylagaulus vetus = †Alphagaulus vetus 15
Marmotini indet.18
"Tamias sp."
Spermophilus (Otospermophilus) jerae 7
new
Cynomys sp. 2
questionably referred
Euroxenomys inconnexus 14
new
†Mookomys thrinax 75
new
Mookomys cf. formicarum 2
Peridiomys sp. 1
Peridiomys halis 180
new
Perognathus ancenensis 20
new
Perognathus sp. 1
Cupidinimus madisonensis 532
Cupidinimus cf. eurekensis 1
Phelosaccomys cf. annae 14
†Copemys lindsayi 12
new