Where: Baylor County, Texas (33.4° N, 99.1° W: paleocoordinates 0.1° S, 29.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Petrolia Formation (Wichita Group), Artinskian (290.1 - 279.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Collected by S. H. Mamay

Primary reference: F. M. Carpenter. 1962. A Permian megasecopteron from Texas. Psyche 69:37-41 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111540: authorized by Matthew Clapham, entered by Jered Karr on 25.06.2011

Creative Commons license: CC BY (attribution)