Douglas Area Brule (6a-6d) (Oligocene of the United States)
Where: Converse County, Wyoming (42.9° N, 105.2° W: paleocoordinates 44.2° N, 97.1° W)
• coordinate based on political unit
When: Brule Formation, Orellan (33.9 - 33.3 Ma)
Environment/lithology: terrestrial
Primary reference: E. Evanoff, D. R. Prothero, and R. H. Lander. 1992. Elocene-Oligocene climatic change in North America: The White River Formation near Douglass, East-Central Wyoming. 116-130 [J. Alroy/J. Alroy/M. Uhen]more details
PaleoDB collection 17105: authorized by John Alroy, entered by John Alroy on 30.04.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
• between tuffs 6a and 6d
Show authors, comments, and common names
Mammalia | |
Leptictis dakotensis Leidy 1868 eutherian | |
Hyaenodon crucians Leidy 1853 creodont
Hyaenodon horridus Leidy 1853 creodont | |
Palaeogale sectoria Gervais 1848 carnivoran | |
Miniochoerus chadronensis, "Merycoidodon culbertsoni" = Merycoidodon culbertsonii
Miniochoerus chadronensis Schultz and Falkenbach 1956 oreodont boundary between M. chadronensis and M. gracilis is drawn within this zone
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii Leidy 1848 oreodont | |
Poebrotherium wilsoni Leidy 1847 camel | |
Hypertragulus calcaratus Cope 1873 ruminant | |
Leptomeryx evansi Leidy 1853 ruminant | |
Megalagus turgidus Cope 1873 rabbit
Palaeolagus haydeni Leidy 1856 rabbit | |
"Scottimus viduus" = Willeumys viduus
"Scottimus viduus" = Willeumys viduus Korth 1981 mouse | |
Ischyromys sp. Leidy 1856 rodent |