Cottonwood Creek (Moran Fm.) (Permian of the United States)

Also known as Locality IIb (Romer & Price)

Where: Archer County, Texas (33.4° N, 98.8° W: paleocoordinates 4.0° S, 31.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• "about 50 feet below the Sedwick limestone equivalent" (Clark & Carroll, 1973)

•The former Moran Formation comprises the lower part of the Archer City Formation (Hentz, 1988, The University of Texas at Austin, Bureau of Economic Geology, Report of Investigations, 170).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the MCZ

Primary reference: J. Clark and R. L. Carroll. 1973. Romeriid reptiles from the Lower Permian. Bulletin of the Museum of Comparative Zoology 144(5):353-407 [J. Mueller/T. Liebrecht/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79163: authorized by Johannes Mueller, entered by Jana Dummasch on 27.02.2008, edited by Torsten Liebrecht, Matthew Carrano and Emma Dunne

Creative Commons license: CC BY (attribution)

Taxonomic list

 Synapsida - Ophiacodontidae
Ophiacodon retroversus2 Cope 1878 ophiacodont
MCZ 1120
 Pelycosauria -
Lupeosaurus kayi n. gen. n. sp.1
Lupeosaurus kayi n. gen. n. sp.1 Romer 1937 pelycosaur
MCZ 1455
 Eureptilia - Protorothyrididae
Protorothyris archeri n. gen. n. sp.
Protorothyris archeri n. gen. n. sp. Price 1937 eureptile
MCZ 1532 (type), 2147-2150
 Eureptilia - Captorhinidae
"Romeria primus n. sp." = Romeria prima
"Romeria primus n. sp." = Romeria prima Clark and Carroll 1973 eureptile
MCZ 1963 (type)
 Temnospondyli - Eryopidae
Eryops sp.3 Cope 1877 tetrapod
MCZ 1914 (Complete skull, 32cm long) and MCZ 1793 (partial skull) (Werneburg, 2008)