LIm-1. Float by radio tower on Bald Knob (Carboniferous of the United States)

Also known as Was: Bald Knob, Lower Mercer Unit, Licking

Where: Licking County, Ohio (40.0° N, 82.4° W: paleocoordinates 9.3° S, 21.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fusulinella foram zone, Lower Mercer Member (Pottsville Formation), Atokan (318.6 - 312.8 Ma)

• U. Atokan

• group of beds-level stratigraphic resolution

Environment/lithology: lithified shale and lithified, fine-grained, gray limestone

• The limestone is dark gray and fine grained

Size class: macrofossils

Reposited in the OSU

Primary reference: R. D. Hoare, M. T. Sturgeon, and E.A. Kindt. 1978. New Pennsylvanian bivalves and occurrences of Pseudoconocardium from Ohio and West Virginia. Journal of Paleontology 52(5):1023-1036 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79379: authorized by Pete Wagner, entered by Pete Wagner on 05.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• The associated fauna consists of bivalves, dominated by pectinids, many small marginiferid and spiriferid brachiopods, and a few gastropods, bryozoans, and trilobites.
Show authors, comments, and common names
Gastropoda
 Zygopleuroidea - Pseudozygopleuridae
"Gamizyga (Gamizyga) morningstarae" = Gamizyga morningstarae
"Gamizyga (Gamizyga) morningstarae" = Gamizyga morningstarae Hoare and Sturgeon 1980 snail
Bivalvia
 Ostreida - Pterineidae
Placopterina ohioensis n. sp.
Placopterina ohioensis n. sp. Hoare et al. 1978 oyster