Also known as MNA PI. 569

Where: Arizona (36.2° N, 112.2° W: paleocoordinates 10.3° N, 36.4° W)

When: "alpha" Member (Kaibab Formation), Roadian (272.3 - 268.8 Ma)

Environment/lithology: shallow subtidal; lithified siliciclastic sediments

Size class: macrofossils

Collected by C. Earl in 1963

Collection methods: chemical

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 118961: authorized by Matthew Clapham, entered by Trisha Wolfe on 19.10.2011

Creative Commons license: CC BY (attribution)