Silver Hill, Proctor District (Permian of the United States)

Also known as CM Locality 37

Where: Marshall County, West Virginia (39.7° N, 80.6° W: paleocoordinates 0.3° N, 13.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Greene Formation (Dunkard Group), Wolfcampian (298.9 - 286.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; brown claystone

• "A four-inch thick brown, limey clay of uncertain stratagraphic position within the Greene Formation"

Size class: macrofossils

Collected by Burke party in 1937; reposited in the CM

Primary reference: A. S. Romer. 1952. Late Pennsylvanian and Early Permian Vertebrates of the Pittsburgh-West Virginia Region. Annals of Carnegie Museum 33:47-113 [J. Mueller/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177138: authorized by Richard Butler, entered by Emma Dunne on 20.03.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Recumbirostra - Molgophidae
Lysorophus dunkardensis n. sp.
Lysorophus dunkardensis n. sp. Romer 1952 amniote
CM 8581 (Holotype; an isolated holospondylous vertebral centrum)