Richfield, Atchison shale (Carboniferous of the United States)

Where: Nebraska (41.1° N, 96.1° W: paleocoordinates 0.6° S, 28.0° W)

When: Kasimovian (307.0 - 303.7 Ma)

• Atchison shale

Environment/lithology: marine; shale

Size class: macrofossils

Collected by Professor Barbour

• Repository: University of Nebraska

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 132970: authorized by Matthew Clapham, entered by Priscilla Vazquez on 30.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Petalodontiformes - Janassidae
Janassa maxima n. sp. Eastman 1903 chimaera
 Petalodontiformes - Belantseidae
"Ctenopetalus occidentalis" = Belantsea occidentalis
"Ctenopetalus occidentalis" = Belantsea occidentalis St. John and Worthen 1875 chimaera