Narcissus
Basic information
Sample name: Narcissus

Sample aka: Bearspaw; TMP locality L2395

Reference: C. S. Scott, D. N. Spivak, and A. R. Sweet. 2013. First mammals from the Paleocene Porcupine Hills Formation of southwestern Alberta, Canada. Canadian Journal of Earth Sciences 50(3):355-378 [ER 4111]
Geography
Country: Canada

State: Alberta



Coordinate: 51.11° N, -110.40° W
Coordinate basis: stated in text

Formation: Porcupine Hills

Time interval: Early Palaeocene

Zone: Torrejonian

Max Ma: 63.537

Min Ma: 62.53

Age basis: paleomag

Geography comments: "near the western limits of Calgary along the banks of Bow River... some 6 km west of Canada Olympic Park... west of Bearspaw Dam... in SW1/4 LSD8, S6-7, T25, R3, W5"
"middle Torrejonian (To2)" and estimated to be within chron 27r based on projecting the site into the Olympic Ski Jump section "approximately 6 km to the east" (age estimate based on Ogg 2020)

Environment
Lithology: sandstone

Taphonomic context: fluvial deposit

Habitat comments: "The formation consists primarily of large-scale crossbedded sandstones representing stacked channel and channel-fill complexes, as well as significant overbank mudstone units... The mammal fossils occur in caliche and clay clast lags at the base of massively bedded sandstones"

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

Sample size: 76 specimens

Sampled by: Royal Tyrrell Museum of Palaeontology

Sampling comments: collecting methods are not indicated
the mammals occur "along with fragmentary gastropod and bivalve shells, carbonized plant debris, and the bones and teeth of rare non-mammalian vertebrates, including fish, champsosaurs, and lizards" in localities in this area, but are not tied to this individual locality

Metadata
Sample number: 4542

Contributor: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2024-12-02 21:47:07

Modified: 2024-12-03 10:25:07

Abundance distribution
21 species
9 singletons
total count 76
geometric series index: 50.5
Fisher's α: 9.597
geometric series k: 0.8832
Hurlbert's PIE: 0.9056
Shannon's H: 2.6373
Good's u: 0.8826
Each square represents a species. Square sizes are proportional to counts.
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