Table Rock: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Leptictidae
Palaeictops sp. Matthew 1899
    = Leptictidae indet. Gill 1872
Alroy 2002
Mammalia - Erinaceidae
Entomolestes sp. Matthew 1909
Hamrick and Covert 1991
confirms Gazin's i.d. of "cf. Entomolestes sp."
Mammalia - Viverravidae
cf. Viverravus sp. Marsh 1872
Mammalia - Perissodactyla
Heptodon sp. Cope 1882
Roehler 1987
Mammalia - Perissodactyla - Equidae
Hyracotherium sp. Owen 1841
    = Equidae indet. Gray 1821
Alroy 2002
Mammalia - Perissodactyla - Brontotheriidae
Lambdotherium sp. Cope 1880
Mammalia - Phenacodontidae
Meniscotherium sp. Cope 1874
    = Meniscotherium chamense Cope 1874
Williamson and Lucas 1992
Mammalia - Homacodontidae
Hexacodus sp. Gazin 1952
    = Hexacodus pelodes Gazin 1952
Roehler 1987
in part
Hexacodus sp. Gazin 1952
    = Hexacodus uintensis Gazin 1952
Roehler 1987
in part
Mammalia - Diacodexeidae
Diacodexis sp. Cope 1882
Mammalia - Primates - Microsyopidae
Cynodontomys latidens Cope 1882
    = Microsyops latidens Cope 1882
Roehler 1987
"C. sp."
Mammalia - Primates - Paromomyidae
Phenacolemur sp. Matthew 1915
    = 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
cf. Trogolemur myodes Matthew 1909
Covert and Hamrick 1993
Mammalia - Primates - Omomyidae
Absarokius sp. Matthew 1915
    = Absarokius abbotti Loomis 1906
Covert and Hamrick 1993
Chlororhysis sp. Gazin 1958
Covert and Hamrick 1993
Loveina minuta (Loomis 1906)
Covert and Hamrick 1993
Mammalia - Primates - Notharctidae
Notharctus nunienus (Cope 1881)
    = Cantius nunienus Cope 1881
Roehler 1987
includes "? Notharctus sp." and his "Notharctus limosus"
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 - Rodentia - Sciuravidae
Sciuravidae indet. Miller and Gidley 1918
"very small"
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus miticulus (Cope 1874)
    = Hyopsodus sp. Leidy 1870
Roehler 1987
"H. sp." in part
Hyopsodus wortmani Osborn 1902
Roehler 1987
includes "H. sp." in part as well as "H. minor" of Roehler
Mammalia - Insectivora
Insectivora indet. Bowdich 1821
"cf. Diacodon"
Reptilia - Anguidae
Glyptosaurus sp. Marsh 1871
ElShafie 2024
see common names

Geography
Country:United States State/province:Wyoming County:Sweetwater
Coordinates: 41.7° North, 109.0° West (view map)
Paleocoordinates:46.6° North, 92.6° West
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:54.90000 - 50.50000 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:2024-01-07 17:57:53
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
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]