Sciuravus Surprise
Basic information
Sample name: Sciuravus Surprise

Sample aka: SDSNH Loc. 5841

Reference: T. S. Kelly and P. C. Murphey. 2016. Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 1: Primates and Rodentia. Palaeontologia Electronica 19(2):1-55 [ER 4133]
Geography
Country: United States

State: Wyoming


County: Uinta


Coordinate: 41.09° N, -110.08° W
Coordinate basis: estimated from map

Formation: Bridger

Time interval: Middle Eocene

Zone: Bridgerian

Section: Turtle Bluff

Unit number: 1

Unit order: below to above

Max Ma: 47.76

Min Ma: 47.31

Age basis: other

Geography comments: on the western edge of Cedar Mountain and east of Lonetree Divide
coordinate estimated from the map in Fig. 1
above the base of C21n (47.760 Ma according to Ogg 2020) and below a "tuffaceous white sandstone bed" U-Pb dated at 47.31 ± 0.06
earliest Middle Eocene based on these dates

Environment
Lithology: claystone

Habitat comments: Fig. 2 indicates that the site is in a claystone

Methods
Life forms: primates,rodents,other small mammals

Sampling methods: screenwash

Sample size: 29 specimens

Museum: SDSNH

Sampling comments: "bulk samples were liquid screen washed resulting in concentrates from which the fossils were separated by heavy liquid floatation"
the Turtle Bluff Member inventories are derived from Kelly and Murphey (2016), Murphey and Kelly (2017), and Murphey et al. (2018)

Metadata
Sample number: 4579

Contributor: John Alroy

Enterer: John Alroy

Created: 2024-12-08 05:45:08

Modified: 2024-12-08 05:45:08

Abundance distribution
16 species
8 singletons
total count 29
geometric series index: 54.9
Fisher's α: 14.663
geometric series k: 0.9117
Hurlbert's PIE: 0.9150
Shannon's H: 2.6322
Good's u: 0.7359
Each square represents a species. Square sizes are proportional to counts.
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