Someday
Basic information
Sample name: Someday
Sample aka: Red Creek; UCM Loc. 79040
Reference: R. K. Stucky. 1984. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 5. Geology and biostratigraphy of the upper part of the Wind River Formation, northeastern Wind River Basin. Annals of Carnegie Museum 53(9):231-294 [ER 4132]
Geography
Country: United States
State: Wyoming
County: Natrona
Coordinate: 43.24° N, -107.32° W
Latlng basis: estimated from map
Formation: Wind River
Time interval: Early Eocene
Zone: Wasatchian
Section: Red Creek
Unit number: 3
Unit order: below to above
Ma: 51.9
Age basis: AEO
Geography comments: "SE 1/4, Sec. 19., T.38N., R.87W."
within the "Palaeosyops borealis Assemblage Zone" of the Lost Cabin Member in the Red Creek section overlying Lightning Butte and (by correlation) Deadman Butte
within the "Palaeosyops borealis Assemblage Zone" of the Lost Cabin Member in the Red Creek section overlying Lightning Butte and (by correlation) Deadman Butte
Environment
Lithology: mudstone
Habitat comments: "Bioturbated, mottled red-gray mudstone, with calcareous glaebules and pedotubules occurring at specific horizons; intraformational burrows and some rhizoliths present... Disarticulated and scattered partial skeletons of Hyrachyus... isolated limb elements and teeth of mammals... Overbank/paleosol; abundant aquatic and semiaquatic vertebrate materials suggest near permanent body of water"
Methods
Life forms: bats, carnivores, primates, rodents, ungulates, other large mammals, other small mammals
Excluded forms: lizards, turtles, other reptiles, fishes
Sampling methods: quarry, screenwash
Sample size: 103 specimens
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: locality descriptions are given in Stucky's follow-up 1984 paper (Annals of Carnegie Museum v. 53, art. 10)
"Surface prospect, screen wash, excavation"
"numerous isolated turtle and crocodile elements, one complete shell of trionychid... lower vertebrates common, eggshells, some coprolites with gar scales and lizard scutes"
Megalesthonyx hopsoni is also present according to Williamson et al. (1996)
"Surface prospect, screen wash, excavation"
"numerous isolated turtle and crocodile elements, one complete shell of trionychid... lower vertebrates common, eggshells, some coprolites with gar scales and lizard scutes"
Megalesthonyx hopsoni is also present according to Williamson et al. (1996)
Metadata
Sample no: 4577
Contributor no: John Alroy
Enterer: John Alroy
Modifier no: John Alroy
Created: 2024-12-08 03:20:49
Modified: 2024-12-11 10:23:26
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
39 species
23 singletons
total count 103
geometric series index: 130.3
Fisher's α: 22.867
geometric series k: 0.9329
Hurlbert's PIE: 0.9436
Shannon's H: 3.2454
Good's u: 0.7771
Register