04-GWC-A (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• coordinate based on unpublished field data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 (449.5 - 443.7 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 72959: 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
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
Strophomenata
 Strophomenida - Rafinesquinidae
Rhynchonellata
 Atrypida - Anazygidae
Bivalvia
 Myalinida - Ambonychiidae
Ambonychia sp. Hall 1847 clam
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
encrusting
Stenolaemata
 Trepostomata - Halloporidae
Parvohallopora ramosa Dorbigny 1850
Crinoidea
 Homocrinida - Cincinnaticrinidae
Cincinnaticrinus sp. Warn and Strimple 1977 Sea lily
 Monobathrida - Glyptocrinidae
Glyptocrinus sp. Hall 1847 Sea lily