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
Coordinate: 47.65° N, -105.80° W
Coordinate basis: based on political unit
Formation: Tullock
Time interval: Early Palaeocene
Ma: 65
Geography comments: coordinate based on McCone County
Environment
Substrate: ground surface
Lithology: sandstone
Habitat comments: "stream channel sand"
Methods
Life forms: other small mammals
Sample size: 123 specimens
Years: 1964
Sampling comments: no details given
Metadata
Sample number: 2491
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-12 11:57:38
Modified: 2017-02-12 23:41:05
Abundance distribution
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: 0.9760
Each square represents a species. Square sizes are proportional to counts.
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