Cedar Creek, Atchison shale (Carboniferous of the United States)

Where: Nebraska (41.0° N, 96.1° W: paleocoordinates 0.6° S, 27.4° W)

When: Kasimovian (307.0 - 303.7 Ma)

• Atchison shale

Environment/lithology: marine; shale

Size class: macrofossils

Collection methods: 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 132971: authorized by Matthew Clapham, entered by Priscilla Vazquez on 30.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Eugeneodontiformes - Helicoprionidae
"Campodus variabilis" = Agassizodus variabilis
"Campodus variabilis" = Agassizodus variabilis Newberry and Worthen 1870 chimaera
 Cochliodontiformes - Cochliodontidae
Streblodus angustus Eastman 1903 chimaera
 Petalodontiformes - Janassidae
Janassa unguicula n. sp. Eastman 1903 chimaera