Police Point
Basic information
Sample name: Police Point

Sample aka: UAR-1

Reference: L. Krishtalka. 1973. Late Paleocene mammals from the Cypress Hills, Alberta. Special Publications of The Museum Texas Tech University 2:1-77 [ER 4115]
Geography
Country: Canada

State: Alberta



Coordinate: 49° 38' 55" N, 110° 3' 40" W
Coordinate basis: stated in text

Scale: quarry

Formation: Ravenscrag

Time interval: Middle Palaeocene

Zone: Tiffanian

Ma: 59.35

Age basis: AEO

Geography comments: "about 16 miles east of the village of Elkwater, Albert, in Lsd. 16, Sec. 15, Tp. 8, R. 1, W4"
elevation 4372 feet

Environment
Lithology: claystone

Taphonomic context: lake deposit

Habitat comments: "The fossiliferous beds" are "approximately three feet thick" and are "extremely fine-grained... thinly bedded, bentonitic [clay] deposits" that imply "a low energy environment... an inland lake... in which ash falls accumulated
"most of the specimens collected for study are isolated teeth" but there is "a small number of fragmentary jaws"

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

Sampling methods: screenwash

Sample size: 250 specimens

Years: 1961, 1966, 1967, 1969

Museum: UALVP

Sampling comments: discovered by J. A. Westgate and L. Hansen in 1961 and worked by the University of Alberta "under the direction" of R. C. Fox in 1966, 1967, and 1969, who "made small collections of fossiliferous rock totaling about 1000 pounds" and screen washed it in the laboratory
"actinopterygian fishes, salamanders, turtles, lizards and crocodilians are abundant"

Metadata
Sample number: 4546

Contributor: John Alroy

Enterer: John Alroy

Created: 2024-12-03 10:08:29

Modified: 2024-12-03 10:08:29

Abundance distribution
19 species
5 singletons
total count 250
geometric series index: 30.1
Fisher's α: 4.778
geometric series k: 0.8182
Hurlbert's PIE: 0.8973
Shannon's H: 2.4544
Good's u: 0.9801
Each square represents a species. Square sizes are proportional to counts.
Register
Ptilodus sp.11
Fox (1990): "Ptilodus montanus"
Neoplagiaulax hunteri34
Parectypodus sinclairi33
Mesodma pygmaea37
"Mesodma sp. P" named by Sloan (1987)
Mimetodon silberlingi1
omitted by Fox (1990), apparently by mistake
Peradectes protinnominatus3
Krishtalka et al. (1975): "Peradectes cf. elegans"
Propalaeosinopa diluculi = †Bessoecetor septentrionalis19
reidentified as "Propalaeosinopa albertensis" by Fox (1990), but this is a nomen dubium thought to be senior to diluculi by Dorr (1977)
Elpidophorus elegans15
Leptacodon tener33
Leptacodon packi8
Litolestes notissimus = †Litocherus notissimus13
Litolestes sp.1
Nyctitherium sp.2
cf.
Carpodaptes cf. cygneus25
Fox (1990): "Carpodaptes cf. hazelae"
Ignacius sp.1
Fox (1990): "Phenacolemur frugivorus"
Paromomys depressidens2
omitted by Fox (1990)
Plesiadapis cf. churchilli1
Fox (1990): "Plesiadapis fodinatus"
Pararyctes pattersoni10
Fox (1990): "Pararyctes sp."; another palaeoryctid is present according to Fox
Ectocion sp.1
Thewissen (1990): possibly Ectocion mediotuber; "Ectocion osbornianus"