Palaeosyops Jaw Locality (Eocene of the United States)

Also known as CM 1548; UCM 81010

Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 46.9° N, 92.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Lost Cabin Member (Wind River Formation), Bridgerian (50.3 - 46.2 Ma)

• said to be Gardnerbuttean

Environment/lithology: terrestrial

Primary 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 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 16388: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 27, excluding generically indeterminate records
Mammalia
 Primates - Microsyopidae
Microsyops cf. scottianus Cope 1881 primate
Megadelphus lundeliusi1 White 1952 primate
 Primates - Omomyidae
Washakius sp. Leidy 1873 tarsier
 Primates - Notharctidae
cf. Copelemur sp. Gingerich and Simons 1977 primate
 Primates - Paromomyidae
Phenacolemurinae indet.1 Simpson 1955 primate
 Leptictida - Leptictidae
Palaeictops cf. bridgeri Simpson 1959 eutherian
 Rodentia - Sciuravidae
Sciuravus sp. Marsh 1871 rodent
 Rodentia - Ischyromyidae
Paramys copei Loomis 1907 rodent
 Perissodactyla - Brontotheriidae
Eotitanops borealis1 Cope 1880 brontothere
 Perissodactyla - Palaeotheriidae
Hyracotherium vasacciense Cope 1872 odd-toed ungulate
 Ferae - Viverravidae
Viverravus cf. gracilis Marsh 1872 placental
 Carnivora - Miacidae
Miacis cf. exiguus Matthew and Granger 1915 carnivoran
 Macroscelidea - Amphilemuridae
Scenopagus priscus Marsh 1872 elephant shrew
 Ungulata - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
Hyopsodus paulus Leidy 1870 condylarth
 Ungulata - Diacodexeidae
Diacodexis secans2 Cope 1881 even-toed ungulate
"lineage segment Diacodexis secans-secans"
Diacodexis secans2 Cope 1881 even-toed ungulate
 Hyaenodonta -
Didelphodus cf. altidens Marsh 1872 eutherian