04-LKR-GC (Ordovician of the United States)

Where: Warren County, Ohio (39.3° N, 84.1° W: paleocoordinates 25.5° S, 58.2° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Oregonia Formation, Richmondian (449.6 - 445.5 Ma)

• C4 sequence

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, bioturbated, phosphatic, shelly/skeletal, gray packstone and lithified, gray mudstone

Preservation: mold/impression, original calcite, replaced with calcite

Primary reference: S. M. Holland and M.E. Patzkowsky. 2007. Gradient ecology of a biotic invasion: biofacies of the type Cincinnatian Series (Upper Ordovician), Cincinnati, Ohio region, USA. Palaios 22:408-423 [S. Holland/S. Holland]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 73037: authorized by Steven Holland, entered by Steven Holland on 04.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Homocrinida - Cincinnaticrinidae
Cincinnaticrinus sp. Warn and Strimple 1977 Sea lily
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
orthoconic
Bivalvia
 Modiomorphida - Modiomorphidae
Modiomorphidae indet. Miller 1877 clam
 Myalinida - Ambonychiidae
Ambonychia sp. Hall 1847 clam
 Ostreida - Pterineidae
"Caritodens demissa" = Pterinea demissa
"Caritodens demissa" = Pterinea demissa Conrad 1842 oyster
Rhynchonellata
 Atrypida - Anazygidae
 Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
Strophomenata
 Strophomenida - Rafinesquinidae
Stenolaemata
 Trepostomata -
Trepostomata indet. Ulrich 1882
ramose
Trilobita
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
 Phacopida - Calymenidae
Flexicalymene meeki Foerste 1910 trilobite