04-GWC-C (Ordovician of the United States)

Where: Hamilton County, Ohio (39.1° N, 84.6° W: paleocoordinates 25.7° S, 58.3° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

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

• C4 sequence

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified, 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 72961: authorized by Steven Holland, entered by Steven Holland on 04.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Calymenidae
Flexicalymene meeki Foerste 1910 trilobite
Cephalopoda
 Orthocerida - Proteoceratidae
Treptoceras sp. Flower 1942
Rhynchonellata
 Atrypida - Anazygidae
Strophomenata
 Strophomenida - Rafinesquinidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
thin_ramose
Stenolaemata
 Trepostomata -
Trepostomata indet. Ulrich 1882
ramose
 Trepostomata - Halloporidae
Parvohallopora ramosa Dorbigny 1850
Crinoidea
 Homocrinida - Cincinnaticrinidae
Cincinnaticrinus sp. Warn and Strimple 1977 Sea lily