Cass Township, Lower Mercer Unit, Muskingum (Carboniferous of the United States)

Where: Muskingum County, Ohio (40.1° N, 82.1° W: paleocoordinates 9.3° S, 21.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Lower Mercer Member, Atokan (318.6 - 312.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified shale and lithified limestone

Size class: macrofossils

Primary reference: D. K. Brezinski, M. T. Sturgeon, and R. D. Hoare. 1989. Pennsylvanian trilobites of Ohio. Report of Investigations 142:1-18 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 71988: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Phillipsiidae
Ameura missouriensis Shumard and Swallow 1858 trilobite
Ditomopyge scitula Meek and Worthen 1865 trilobite
Sevillia trinucleata Herrick 1887 trilobite