Deer Run Gorge, 3.25 miles north of Dublin (⅛ miles north of county line) (Devonian of the United States)

Where: Franklin County, Ohio (40.1° N, 83.1° W: paleocoordinates 40.2° S, 31.0° W)

• outcrop-level geographic resolution

When: Polygnathus costatus costatus conodont zone, Marblehead Member (Columbus Limestone Formation), Eifelian (393.3 - 387.7 Ma)

• Zone F

• group of beds-level stratigraphic resolution

Environment/lithology: gray limestone

• Massive gray limestone

Size class: macrofossils

Primary reference: C. R. Stauffer. 1909. The Middle Devonian of Ohio 1-204 [P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 130268: authorized by Pete Wagner, entered by Pete Wagner on 06.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only gastropods and rostroconchs included; other taxa need updated taxonomy. Pg. 64-66.
 Conocardiida - Hippocardiidae
"Conocardium cuneus" = Hoareicardia cunea
"Conocardium cuneus" = Hoareicardia cunea Conrad 1840
 Euomphalina - Elasmonematidae
"Callonema lichas" = Elasmonema lichas
"Callonema lichas" = Elasmonema lichas Hall 1861 snail
 Euomphalina - Platyceratidae
"Platyceras dumosum" = Spinyplatyceras dumosum
"Platyceras dumosum" = Spinyplatyceras dumosum Conrad 1840 snail