Halsell Hill, Ralph Brixic farm (Permian of the United States)

Also known as Hawsell Hill, WPA, Work Project No. 16321, Clay County Site 2, Ralph Brixy

Where: Clay County, Texas (33.7° N, 98.3° W: paleocoordinates 4.0° S, 31.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Nocona Formation (Wichita Group), Asselian (298.9 - 295.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by WPA, A. S. Romer in 1940–1941, 1950; reposited in the MCZ

Collection methods: surface (float), surface (in situ),

Primary reference: Anonymous. 1940. The sixth quarterly report covering the quarter ending September 30, 1940 for the state-wide paleontologic-mineralogic survey in Texas. A Federal Works Agency Work Projects Administration Project. O.P. No. 665-66-3-233. State Serial No. 300-88 1-44 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173721: authorized by Richard Butler, entered by Daniel Cashmore on 12.10.2015, edited by Emma Dunne and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Cotylosauria - Diadectidae
Diadectes sp.1 Cope 1878 tetrapod
 Synapsida - Edaphosauridae
Edaphosaurus sp.2 Cope 1882 synapsid
 Synapsida - Sphenacodontidae
Dimetrodon sp.2 Cope 1878 synapsid
Amphibia
 Temnospondyli - Dissorophidae
Scapanops neglecta n. gen. n. sp.4 Schoch and Sues 2013 tetrapod
MCZ 2369 (holotype)
Conjunctio sp.3 Carroll 1964 tetrapod
MCZ 2369
Chondrichthyes
  - Pleuracanthidae
Pleuracanthidae indet.5 Woodward elasmobranch