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
Latlng 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
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
Net or trap nights: 0
Basal area status: not applicable
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)
the Turtle Bluff Member inventories are derived from Kelly and Murphey (2016), Murphey and Kelly (2017), and Murphey et al. (2018)
Metadata
Sample no: 4582
Contributor no: John Alroy
Enterer: John Alroy
Created: 2024-12-08 06:04:15
Modified: 2024-12-08 06:04:15
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
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
Register
| Sciuravidae indet. A | 5 | |
| Sciuravidae indet. C | 4 | |
| Sciuravidae indet. | 2 | |
| Pareumys sp. | 2 | |
| cf. | ||
| Metanoiamys sp. | 5 | |
| †Elymys ? emryi | 10 | |
| type | ||
| †Nyctitherium velox | 1 | |
| †Uintatherium anceps | 3 | |
| †Wickia cf. brevirhinus | 7 | |
| †Triplopus cf. obliquidens (hyracodont) | 1 | |
| †Epihippus cf. gracilis | 1 | |
| †Herpetotherium knighti (herpetotheriid) | 4 | |
| †Peradectes californicus (peradectid) | 1 | |