Also known as TMM 41645

Where: Texas (31.9° N, 108.3° W: paleocoordinates 4.7° N, 36.2° W)

• coordinate estimated from map

When: Concha Formation, Kungurian (279.3 - 272.3 Ma)

Environment/lithology: shallow subtidal; lithified, conglomeratic siliciclastic sediments

Size class: macrofossils

Preservation: original silica

Collected by T. S. Jones in 1970

Primary reference: C. R. Ossian. 1976. Redescription of Megactenopetalus kaibabanus David 1944 (Chondrichthyes: Petalodontidae) with Comments on Its Geographic and Stratigraphic Distribution. Journal of Paleontology 50(3):392-397 [M. Clapham/T. Wolfe]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118959: authorized by Matthew Clapham, entered by Trisha Wolfe on 19.10.2011

Creative Commons license: CC BY (attribution)