Where: Big Horn County, Wyoming (44.2° N, 108.5° W: paleocoordinates 49.0° N, 91.4° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
• "upper part of Willwod Formation (511 m level)"
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; lithology not reported
Size class: macrofossils
Collected by C. R. Schaff; reposited in the USGS
Primary reference: T. M. Bown and K. D. Rose. 1991. Evolutionary relationships of a new genus and three new species of Omomyid primates (Willwood Formation, Lower Eocene, Bighorn Basin, Wyoming). Journal of Human Evolution 20(6):465-480 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 87317: authorized by John Alroy, entered by John Alroy on 15.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Steinius annectens n. sp.
Steinius annectens n. sp. Bown and Rose 1991 tarsier |