02-RTB-A (Ordovician of the United States)

Where: Washington County, Kentucky (37.7° N, 85.2° W: paleocoordinates 27.0° S, 61.7° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Grant Lake Formation, Maysvillian (450.2 - 449.6 Ma)

• C2 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 72750: authorized by Steven Holland, entered by Steven Holland on 04.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936 trilobite
Stenolaemata
 Trepostomata -
Trepostomata indet. Ulrich 1882
ramose
Rhynchonellata
 Atrypida - Anazygidae
 Orthida - Plectorthidae
 Orthida - Platystrophiidae
Strophomenata
 Strophomenida - Rafinesquinidae
Gastropoda
 Murchisoniina - Lophospiridae
Lophospira sp. Whitfield 1886 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
Crinoidea
 Homocrinida - Cincinnaticrinidae
Cincinnaticrinus sp. Warn and Strimple 1977 Sea lily