Where: Brewster County, Texas (29.2° N, 103.2° W: paleocoordinates 33.5° N, 89.1° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Hannold Hill Formation (Tornillo Group), Wasatchian (55.8 - 50.3 Ma)
• Lehman et al. 2018: "the previously unrecognized Exhibit Ridge fault makes stratigraphic placement of the site uncertain, and so the specimens might have been derived from the overlying Exhibit Sandstone Member of the Hannold Hill Formation"
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; sandstone
Size class: macrofossils
Reposited in the TMM
Collection methods: surface (float),
Primary reference: J. A. Schiebout. 1989. Society of Vertebrate Paleontology, 49th Annual Meeting Guidebook [J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 15838: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
137 m level of "formation"
Mammalia | |
"Barylambda jackwilsoni" = Caenolambda jepseni2
| |
"Hyracotherium index" = Minippus index1
|