Stamford Locality (Vale Formation) (Permian of the United States)

Where: Haskell County, Texas (33.0° N, 99.9° W: paleocoordinates 1.6° N, 29.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• member-level stratigraphic resolution

Environment/lithology: fluvial; lithified, gray, green siltstone and claystone

• This site was first collected and reported upon by Dalquest and Mamay (1963) and the geology of the location discussed therein.

Size class: macrofossils

Primary reference: E. C. Olson and J. G. Mead. 1982. The Vale Formation (Lower Permian): Its Vertebrates and Paleoecology. Texas Memorial Museum Bulletin 29 [R. Butler/E. Dunne]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 178739: authorized by Richard Butler, entered by Emma Dunne on 13.05.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Amphibia
 Nectridea - Diplocaulidae
Diplocaulus recurvatus
Diplocaulus recurvatus Olson 1952 tetrapod
Many specimens found at this locality ("literally hundreds of specimens")
 Temnospondyli - Trimerorhachidae
Trimerorhachis insignis, Trimerorhachis mesops
Trimerorhachis insignis Cope 1878 tetrapod
2 skulls in USNM collections
Trimerorhachis mesops Cope 1896 tetrapod
single skull