Where: Cuyahoga County, Ohio (41.5° N, 81.9° W: paleocoordinates 29.9° S, 29.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cleveland Shale Formation, Famennian (372.2 - 358.9 Ma)

• "Upper Devonian Cleveland Shale"

Environment/lithology: marine; shale

Size class: macrofossils

Collected by W. Clark in 1900; reposited in the BMNH

Primary reference: M. E. Williams. 2001. Tooth retention in cladodont sharks: with a comparison between primitive grasping and swallowing, and modern cutting and gouging feeding mechanisms. Journal of Vertebrate Paleontology 21(2):214-226 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90678: authorized by John Alroy, entered by John Alroy on 12.08.2009

Creative Commons license: CC BY (attribution)