Montrose (Carboniferous of the United States)

Where: Alleghany County, Pennsylvania (41.8° N, 75.9° W: paleocoordinates 6.2° S, 13.1° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Clarksburg Member (Conemaugh Formation), Late/Upper Pennsylvanian (306.9 - 298.9 Ma)

• "Clarksburg horizon of the Upper Conemaugh (late Pennsylvanian)" (Romer, 1939)

Environment/lithology: terrestrial; shale

• "from a carbonaceous shale layer" (Romer, 1939)

Size class: macrofossils

Collected by W. C. Darrah; reposited in the MCZ

Primary reference: A. S. Romer. 1939. Notes on branchiosaurs. American Journal of Science 237(10):748-761 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 197955: authorized by Alex Dunhill, entered by Bethany Allen on 03.12.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli - Branchiosauridae
Branchiosaurus darrahi n. sp. Romer 1939 tetrapod
MCZ 1265 (holotype), skull and postcranial skeleton to base of tail