Des Moines River, Labette Black Shale (Carboniferous of the United States)

Where: Boone County, Iowa (41.9° N, 93.9° W: paleocoordinates 2.7° S, 27.2° W)

When: Labette Formation (Marmaton Group), Moscovian (315.2 - 307.0 Ma)

• Labette Black shale, Labette fromation, Marmaton group, Des Moines series, Westphalian D, Pennsylvanian.

Environment/lithology: marine; black shale

Size class: macrofossils

Preservation: adpression

Collected by G.R. Case; reposited in the FMNH

Primary reference: R. Zangerl and G. R. Case. 1973. Iniopterygia, a New Order of Chondrichthyan Fishes from the Pennsylvanian of North America. Fieldiana Geology Memoirs 6:1-67 [M. Clapham/P. Vazquez/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132156: authorized by Matthew Clapham, entered by Priscilla Vazquez on 09.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Iniopterygia - Iniopterygidae
Promexyele peyeri Zangerl and Case 1973 cartilaginous fish
FMNH PF6657