PBDB Collection

Table Rock (Eocene of the United States)

Also known as USGS D786; UW V-58001

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 46.6° N, 92.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Niland Tongue Member (Wasatch Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the USGS

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 15842: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• 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

Show authors, comments, and common names

Reptilia
Squamata - Anguidae	Glyptosaurus sp.³ Glyptosaurus sp.³ Marsh 1871 squamates
Mammalia
Condylarthra - Hyopsodontidae	Hyopsodus sp.⁵, Hyopsodus wortmani⁵ Hyopsodus sp.⁵ Leidy 1870 condylarth Hyopsodus wortmani⁵ Osborn 1902 condylarth includes "H. sp." in part as well as "H. minor" of Roehler
Theriamorpha - Phenacodontidae	Meniscotherium chamense⁶ Meniscotherium chamense⁶ Cope 1874 condylarth
Perissodactyla -	Heptodon sp.⁵ Heptodon sp.⁵ Cope 1882 odd-toed ungulate
Perissodactyla - Brontotheriidae	Lambdotherium sp. Lambdotherium sp. Cope 1880 brontothere
Perissodactyla - Equidae	Equidae indet.¹ Equidae indet.¹ Gray 1821 horse
Artiodactyla - Diacodexeidae	Diacodexis sp. Diacodexis sp. Cope 1882 even-toed ungulate
Artiodactyla - Homacodontidae	Hexacodus pelodes⁵, Hexacodus uintensis⁵ Hexacodus pelodes⁵ Gazin 1952 even-toed ungulate Hexacodus uintensis⁵ Gazin 1952 even-toed ungulate
Theriamorpha - Viverravidae	cf. Viverravus sp. cf. Viverravus sp. Marsh 1872 placental
Theriamorpha - Erinaceidae	Entomolestes sp.⁴ Entomolestes sp.⁴ Matthew 1909 hedgehog confirms Gazin's i.d. of "cf. Entomolestes sp."
Rodentia - Ischyromyidae	Paramys sp. Paramys sp. Leidy 1871 rodent "about the size of P. copei and P. excavatus"; Roehler 1987 lists both, but this may be a misunderstanding of Gazin's comments
Rodentia - Sciuravidae	Sciuravidae indet. Sciuravidae indet. Miller and Gidley 1918 rodent "very small"
Primates - Microsyopidae	Microsyops latidens⁵ Microsyops latidens⁵ Cope 1882 primate
Primates - Plesiadapidae	cf. Trogolemur myodes² cf. Trogolemur myodes² Matthew 1909 primate
Primates - Paromomyidae	Phenacolemurinae indet.¹ Phenacolemurinae indet.¹ Simpson 1955 primate
Primates - Notharctidae	Cantius nunienus⁵ Cantius nunienus⁵ Cope 1881 primate
Primates - Omomyidae	Loveina minuta², Absarokius abbotti², Chlororhysis sp.² Loveina minuta² Loomis 1906 tarsier Absarokius abbotti² Loomis 1906 tarsier Chlororhysis sp.² Gazin 1958 tarsier
Insectivora -	Insectivora indet. Insectivora indet. Bowdich 1821 insectivoran "cf. Diacodon"
Theriamorpha - Leptictidae	Leptictidae indet.¹ Leptictidae indet.¹ Gill 1872 eutherian

¹Alroy 2002; ²Covert and Hamrick 1993; ³ElShafie 2024; ⁴Hamrick and Covert 1991; ⁵Roehler 1987; ⁶Williamson and Lucas 1992