Mud Hill (Permian of the United States)

Where: Taylor County, Texas (32.5° N, 99.7° W: paleocoordinates 1.1° N, 29.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Vale Formation (Clear Fork Group), Leonardian (286.0 - 273.0 Ma)

• see discussion of collections such as 28256

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• none given
• none given

Size class: macrofossils

Reposited in the TMM

Collection methods: quarrying,

• "specimens [discovered] with a backhoe"

Primary reference: R. R. Reisz and L. A. Tsuji. 2006. An articulated skeleton of Varanops with bite marks: the oldest known evidence of scavenging among terrestrial vertebrates. Journal of Vertebrate Paleontology 26(4):1021-1023 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 68171: authorized by John Alroy, entered by John Alroy on 05.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Synapsida - Varanopidae
Varanops brevirostris Williston 1911 synapsid
TMM 43628-1
 Cotylosauria - Diadectidae
Diadectes sp. Cope 1878 tetrapod
TMM 43628-2