Opal (UM BB-20) (Eocene of the United States)
Where: Lincoln County, Wyoming (41.8° N, 110.7° W: paleocoordinates 45.9° N, 96.9° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Bridger Formation, Bridgerian (50.3 - 46.2 Ma)
Environment/lithology: terrestrial
Primary reference: G. F. Gunnell. 1998. Mammalian Fauna From the Lower Bridger Formation (Bridger A, Early Middle Eocene) of the Southern Green River Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(3):83-130 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 16315: authorized by John Alroy, entered by John Alroy on 21.09.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Mammalia | |
Hyopsodus minusculus Leidy 1873 condylarth | |
Anaptomorphus westi Szalay 1976 tarsier
Omomys carteri Leidy 1869 tarsier | |
Microsyops cf. elegans Marsh 1871 primate | |
Notharctus robinsoni Gingerich 1979 primate | |
Rodentia indet. Bowdich 1821 rodent | |
Microparamys cf. minutus Wilson 1937 rodent
Paramys delicatior Leidy 1871 rodent
Thisbemys corrugatus Wood 1959 rodent
Leptotomus parvus Wood 1959 rodent | |
Sciuravus nitidus Marsh 1871 rodent | |
"Scenopagus curtidens" = Nyctitherium curtidens
"Scenopagus curtidens" = Nyctitherium curtidens Matthew 1909 placental | |
Viverravus minutus Wortman 1901 placental | |
Metacheiromys sp. Wortman 1903 placental | |
Patriofelis cf. ulta Leidy 1870 creodont | |
| |
Homacodontidae indet. Marsh 1849 even-toed ungulate | |
Orohippus cf. pumilus Marsh 1871 horse | |
Hyrachyus sp. Leidy 1871 odd-toed ungulate | |
Apatemys bellulus Marsh 1872 eutherian | |
Stylinodon mirus Marsh 1874 taeniodont | |
Didelphidae indet. opossum | |
Peradectes chesteri Gazin 1952 marsupial | |
"Copedelphys innominata" = Herpetotherium innominatum, Herpetotherium marsupium
"Copedelphys innominata" = Herpetotherium innominatum Simpson 1928 marsupial
Herpetotherium marsupium Troxell 1923 marsupial |