Purgatory Hill
Basic information
Sample name: Purgatory Hill

Reference: L. Van Valen and R. E. Sloan. 1965. The earliest primates. Science 150:743-745 [ER 2332]
Geography
Country: United States

State: Montana

County: McCone

Coordinate: 47.65° N, -105.8° W
Latlng basis: based on political unit

Formation: Tullock

Time interval: Early Palaeocene

Zone: Puercan

Max Ma: 65.7

Min Ma: 64.862

Age basis: paleomag

Geography comments: coordinate based on McCone County
in the Collins Ranch Member of the Tullock Formation
just above the undated Y-Coal in chron 29n according to Swisher et al. (1993) (age assignment is for chron 29n and is based on Ogg 2020)

Environment
Substrate: ground surface

Lithology: sandstone

Taphonomic context: fluvial deposit

Habitat comments: "stream channel sand"

Methods
Life forms: primates, ungulates, other large mammals, other small mammals

Sample size: 123 specimens

Years: 1964

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: no details are given about collecting methods
Van Valen (1978) lists the following additional taxa that cannot be related to the original inventory: cf. Pararyctes sp., Prodiacodon crustulum, cf. Aphronorus sp., Leptacodon proserpinae, "about 5 other insectivorans", "undescribed plesiadapid" (= Pandeomonium dis of Van Valen 1994), Oxyprimus albertensis, an additional Eoconodon sp., Haplaletes andakupensis, Tinuviel eurydice, Oxyacodon marshater

Metadata
Sample no: 2491

Contributor no: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2017-02-12 11:57:38

Modified: 2024-12-03 11:39:26

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
23 species
3 singletons
total count 123
geometric series index: 34.6
Fisher's α: 8.345
geometric series k: 0.8689
Hurlbert's PIE: 0.9274
Shannon's H: 2.8739
Good's u: 0.976
Register
Taeniolabis sp. 1
Simmons (1987): "Taeniolabis taoensis"
Stygimys sp. 6
said to be new
Parectypodus sp. 7
said to be new
Neoplagiaulax nelsoni 7
Sloan (1987): type; "Neoplagiaulax sp." said to be new
Mesodma formosa 5
Mesodma cf. ambigua 2
Kimbetohia sp. 7
said to be new: could be Ptilodus tsosiensis of Johnston and Fox (1984)
Cimexomys minor 2
Peradectes sp. 1
said to be new
Procerberus plutonis 4
Van Valen (1978): "Procerberus sp." said to be new
Palaeictops sp. 5
said to be new
Mixodectidae indet.3
Insectivora indet.5
Microsyopidae or Mixodectidae
Palaeoryctidae indet.3
Gelastops sp. 2
said to be new
Purgatorius unio 6
type
Protungulatum sloani 22
Van Valen (1978): "Protungulatum sp." said to be new
Oxyclaenus sp. 9
said to be new
Oxyclaenus pugnax 3
includes "Thangorodrim thalion" of Van Valen (1978)
Chriacus calenancus 10
Van Valen 1978: "Tricentes sp." said to be new
Eoconodon nidhoggi 6
Van Valen (1978): "Eoconodon sp." said to be new
Anisonchus oligistus 6
Hemithlaeus sp. 1
said to be new