Where: Sarpy County, Nebraska (41.1° N, 96.0° W: paleocoordinates 0.9° S, 27.5° W)

When: Kasimovian (307.0 - 303.7 Ma)

• Stark or Wea Shale

Environment/lithology: marine; shale

Size class: macrofossils

Collected by Gerard R. Case, WD White, W. Rushlau; reposited in the FMNH

Primary reference: R. Zangerl. 1981. Chondrichthyes I: Paleozoic Elasmobranchii. In H.P. Schultze (ed.), Handbook of Paleoichthyology 3a [M. Clapham/P. Vazquez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132280: authorized by Matthew Clapham, entered by Priscilla Vazquez on 11.08.2012

Creative Commons license: CC BY (attribution)