Olentangy Shale, Lewis Center Run, 7 miles south of Delaware. (Devonian of the United States)

Where: Lewis Center Run County, Ohio (40.0° N, 83.0° W: paleocoordinates 35.3° S, 31.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Manticoceras ammonoid zone, Olentangy Shale Formation, Frasnian (382.7 - 372.2 Ma)

• Listed as Manticoceras age.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, concretionary limestone and poorly lithified, argillaceous shale

• Nodular limestone layer in blue-gray, argillaceous shale; several thin layers of nodular limestone in the lower portion and black shales in the upper portion.

Size class: macrofossils

Primary reference: R. C. Baker. 1942. The age and fossils of the Olentangy Shale of central Ohio. American Journal of Science 240:137-143 [P. Novack-Gottshall/P. Hearn/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 74951: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 07.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Depauperate fauna, indeterminates are present.
Anthozoa
 Stauriida - Stereolasmatidae
 Stauriida - Streptelasmatidae
Streptelasma sp. Hall 1847 horn coral
Conodonta
  -
Lophophorata
 Tentaculitida - Tentaculitidae
Strophomenata
 Strophomenida - Chonetidae
Cephalopoda
 Agoniatitida - Gephuroceratidae
Manticoceras sp. Hyatt 1884 ammonite
 Ammonoidea -
"? Anaptychus (? Spathiocaris) emersoni" = Sidetes
"? Anaptychus (? Spathiocaris) emersoni" = Sidetes ammonoid aptychus
Gastropoda
 Euomphalina - Euomphalidae
Straparollus cf. rudis Hall 1876 snail
Straparollus cf. hecale Hall 1876 snail
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Sporangites
  -
 Cordaitales -