Watson quarry, southeast of Windthorst (Permian of the United States)

Also known as Stereophallodon type, WPA, Work Project No. 16321, Clay County Site 30

Where: Clay County, Texas (33.5° N, 98.4° W: paleocoordinates 0.7° N, 28.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Pueblo Formation (Cisco Group), Wolfcampian (298.9 - 286.0 Ma)

• now may belong to Wichita Group

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by WPA in 1941; reposited in the MCZ

Collection methods: quarrying, surface (in situ),

Primary reference: A. S. Romer. 1937. New genera and species of pelycosaurian reptiles. Proceedings of the New England Zoölogical Club 16:89-95 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80723: authorized by Johannes Mueller, entered by Jana Dummasch on 06.05.2008, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli - Eryopidae
Eryops sp. Cope 1877 tetrapod
Osteichthyes
 Synapsida - Ophiacodontidae
Stereophallodon ciscoensis n. gen. n. sp. Romer 1937 ophiacodont
MCZ 1535
 Synapsida - Edaphosauridae
Edaphosaurus sp. Cope 1882 synapsid