Table Rock: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Sciuravidae
Sciuravidae indet. Miller and Gidley 1918
"very small"
Mammalia - Rodentia - Ischyromyidae
Paramys sp. Leidy 1871
"about the size of P. copei and P. excavatus"; Roehler 1987 lists both, but this may be a misunderstanding of Gazin's comments
Mammalia - Primates - Microsyopidae
Roehler 1987
"C. sp."
Mammalia - Primates - Paromomyidae
    = Phenacolemurinae indet. Simpson 1955
Alroy 2002
"P. praecox" of Roehler 1987, which could be Simpsonlemur given date of Gazin's pers. comm.
Mammalia - Primates - Plesiadapidae
Covert and Hamrick 1993
Mammalia - Primates - Omomyidae
Covert and Hamrick 1993
    = Absarokius abbotti Loomis 1906
Covert and Hamrick 1993
Loveina minuta (Loomis 1906)
Covert and Hamrick 1993
Mammalia - Primates - Notharctidae
Roehler 1987
includes "? Notharctus sp." and his "Notharctus limosus"
Mammalia - Erinaceidae
Hamrick and Covert 1991
confirms Gazin's i.d. of "cf. Entomolestes sp."
Mammalia - Phenacodontidae
    = Meniscotherium chamense Cope 1874
Williamson and Lucas 1992
Mammalia - Perissodactyla - Brontotheriidae
Mammalia - Perissodactyla - Equidae
Alroy 2002
Mammalia - Perissodactyla
Roehler 1987
Mammalia - Homacodontidae
Roehler 1987
in part
Roehler 1987
in part
Mammalia - Diacodexeidae
Mammalia - Viverravidae
Mammalia - Insectivora
Insectivora indet. Bowdich 1821
"cf. Diacodon"
Mammalia - Condylarthra - Hyopsodontidae
    = Hyopsodus sp. Leidy 1870
Roehler 1987
"H. sp." in part
Roehler 1987
includes "H. sp." in part as well as "H. minor" of Roehler
Mammalia - Leptictidae
Palaeictops sp. Matthew 1899
    = Leptictidae indet. Gill 1872
Alroy 2002
Reptilia - Anguidae
ElShafie 2024
see common names

Geography
Country:United States State/province:Wyoming County:Sweetwater
Coordinates: 41.7° North, 109.0° West (view map)
Paleocoordinates:49.7° North, 82.2° West (Wright 2013)
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
Stage: Ypresian 10 m.y. bin: Cenozoic 2
*Period:Tertiary
Key time interval: Wasatchian
Age range of interval: 54.9 - 50.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wasatch Member:Niland Tongue
Local section:Washa Local bed:2
Local order:bottom to top
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Museum repositories:USGS
Taxonomic list comments:said by Gazin to be "Tipton Tongue" of Wasatch Fm.; however, originally reported by McGrew and Roehler 1960 as Niland Tongue, and this was repeated by Roehler 1987, Roehler and Stanton 1992 and Covert and Hamrick 1991
USGS number and coordintes given by Roehler 1987, whose list is based on a 1969 Gazin pers. comm.
SE 1/4 SE 1/4 NE 1/4 sec 8 T 18 N R 98 W
Metadata
Also known as:USGS D786; UW V-58001
Database number:15842
Authorizer:J. Alroy, P. Holroyd Enterer:J. Alroy, P. Holroyd
Modifier:P. Holroyd Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC0
Reference information

Primary reference:
1618. C. L. Gazin. 1965. Early Eocene mammalian faunas and their environment in the vicinity of the Rock Springs Uplift, Wyoming. Wyoming Geological Association Guidebook 19:171-180 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1284 H. H. Covert and M. W. Hamrick. 1993. Description of new skeletal remains of the early Eocene anaptomorphine primate Absarokius (Omomyidae) and a discussion about its adaptive profile. Journal of Human Evolution 25 [J. Alroy/J. Alroy/J. Ju]
87093 S. J. ElShafie. 2024. Body size estimation from isolated fossil bones reveals deep time evolutionary trends in North American lizards. PLoS ONE 19(1:e0296318):1-25 [P. Holroyd/P. Holroyd/P. Holroyd]
1779 M. W. Hamrick and H. H. Covert. 1991. A late Wasatchian mammalian fauna from the Washakie Basin, Wyoming. Journal of Vertebrate Paleontology 11:33A [J. Alroy/J. Alroy/J. Ju]
2933 H. W. Roehler. 1987. Geological investigations of the Vermillion Creek coal bed in the Eocene Niland Tongue of the Wasatch Formation, Sweetwater County, Wyoming. United States Geological Survey Professional Paper 1314-C:25-45 [J. Alroy/J. Alroy/J. Ju]
3647 T. E. Williamson and S. G. Lucas. 1992. Meniscotherium (Mammalia, "Condylarthra) from the Paleocene-Eocene of Western North America). New Mex Museum of Natural History Science Bulletin 1:1-75 [J. Alroy/J. Alroy/M. Uhen]