Roll the Bones
Basic information
Sample name: Roll the Bones

Sample aka: DMNH Loc. 4673; SDSNH Loc. 5844

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: 4

Unit order: below to above

Ma: 46.94

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
at the level of a tuff U-Pb dated at 46.94 ± 0.14 Ma
earliest Middle Eocene based on this date

Environment
Lithology: claystone

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

Methods
Life forms: rodents,ungulates,other small mammals

Sampling methods: screenwash

Sample size: 46 specimens

Museum: DMNH, 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: 4582

Contributor: John Alroy

Enterer: John Alroy

Created: 2024-12-08 06:04:15

Modified: 2024-12-08 06:04:15

Abundance distribution
13 species
4 singletons
total count 46
geometric series index: 25.9
Fisher's α: 6.034
geometric series k: 0.8254
Hurlbert's PIE: 0.8783
Shannon's H: 2.3091
Good's u: 0.9149
Each square represents a species. Square sizes are proportional to counts.
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