Frankfort 421-1 (04FT6S) (Ordovician of the United States)

Where: Kentucky (38.2° N, 84.9° W: paleocoordinates 27.0° S, 63.2° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Lexington Limestone Formation, Mohawkian (457.3 - 451.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; shelly/skeletal packstone

• wavy to nodular packstone

Size class: macrofossils

Primary reference: K. M. Layou. 2009. Ecological restructuring after extinction: the Late Ordovician (Mohawkian) of the eastern United States. Palaios 24:118-128 [K. Layou/K. Layou]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 85998: authorized by Karen Layou, entered by Karen Layou on 23.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
  -
Crinoidea "group A" Miller 1821 Sea lily
Crinoidea "group C" Miller 1821 Sea lily
Crinoidea "group D" Miller 1821 Sea lily
Crinoidea "group E" Miller 1821 Sea lily
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp. Hall 1862
Bryozoa
  -
Bryozoa "indet. A" bryozoan
bifoliate bryozoan
Stenolaemata
 Cystoporata - Constellariidae
Constellaria sp. Dana 1846
 Trepostomida -
Trepostomida "sp. D" Ulrich 1882
thin ramose bryozoan
Trepostomida "sp. E" Ulrich 1882
thin ramose bryozoan