I-71 Salvage Project (Devonian of the United States)

Where: Cuyahoga County, Ohio (41.5° N, 81.7° W: paleocoordinates 29.9° S, 29.7° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• "Upper Devonian (Famennian)"

Environment/lithology: marine; shale

Size class: macrofossils

Collected in the 1960s

Collection methods: salvage,

• Cleveland Museum of Natural History collection

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 90676: authorized by John Alroy, entered by John Alroy on 12.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Ctenacanthiformes - Ctenacanthidae
Ctenacanthus compressus Newberry 1889 elasmobranch
CMNH 9440