Peru, Atchison shale (Carboniferous of the United States)

Where: Nebraska (39.1° N, 95.7° W: paleocoordinates 2.2° S, 28.1° W)

When: Kasimovian (307.0 - 303.7 Ma)

• Atchison shale

Environment/lithology: marine; shale

Size class: macrofossils

Collected by Professor Barbour

Primary reference: C. R. Eastman. 1903. Carboniferous fishes from the central western States. Bulletin of the Museum of Comparative Zoology 39:163-226 [M. Clapham/P. Vazquez/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132974: authorized by Matthew Clapham, entered by Priscilla Vazquez on 30.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Petalodontiformes - Petalodontidae
"Chomatodus arcuatus" = Petalodus arcuatus
"Chomatodus arcuatus" = Petalodus arcuatus St. John 1870 chimaera
 Petalodontiformes - Janassidae
Fissodus inaequalis Stjohn and Worthen 1875 chimaera