Bangtail
Basic information
Sample name: Bangtail

Reference: P. D. Gingerich, P. Houde, and D. W. Krause. 1983. A new earliest Tiffanian (late Paleocene) mammalian fauna from Bangtail Plateau, western Crazy Mountain Basin, Montana. Journal of Paleontology 57(5):957-970 [ER 4116]
Geography
Country: United States

State: Montana

County: Park

Coordinate: 45.79° N, -110.8° W
Latlng basis: stated in text

Scale: quarry

Formation: Fort Union

Time interval: Middle Palaeocene

Zone: Tiffanian

Ma: 60.4

Age basis: AEO

Geography comments: "about 110 m (350 ft) northwest of the Bangtail Ranger Station in the Gallatin National Forest... NW1/4 NW1/4, sec. 6, T1S, R8E"
"earliest Tiffanian"

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Environment
Lithology: siliciclastic (mixed)

Habitat comments: "from three beds of calcareous nodules in a sequence of siltstones and hackly shale totalling 3.5 mi in thickness"

Methods
Life forms: primates, other small mammals

Excluded forms: birds

Sampling methods: quarry

Sample size: 27 specimens

Years: 1952, 1979, 1980

Museum: USNM

Net or trap nights: 0

kg screened: 245

Basal area status: not applicable

Sampling comments: "was first discovered in 1952 by William J. McMannis" who "collected about 20 kg of calcareous nodules" and the site "was relocated in 1979, when an additional 25 kg of bone-bearing nodules were collected from the surface. Quarrying was initiated in 1980 and approximately 200 kg of nodules were collected"
"bird bones, egg shell fragments, and plant debris" are also present

Metadata
Sample no: 4547

Contributor no: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2024-12-03 10:50:53

Modified: 2024-12-03 11:40:27

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
9 species
4 singletons
total count 27
geometric series index: 22.8
Fisher's α: 4.727
geometric series k: 0.7598
Hurlbert's PIE: 0.7963
Shannon's H: 1.8698
Good's u: 0.8546
Register
Neoplagiaulacidae indet.6
"Ectypodus sp. C": possibly Parectypodus clemensi of Sloan (1981)
†Myrmecoboides montanensis 3
†Aphronorus orieli 9
†Leptacodon munusculum 1
†Leptacodon cf. packi 3
Palaechthon problematicus = †Plesiolestes problematicus (plesiadapiform)1
†Palaechthon cf. woodi (plesiadapiform)1
confirmed by Gunnell (1989)
†Nannodectes intermedius (plesiadapiform)1
†Picrodus silberlingi (plesiadapiform)2