Frankfort 421-8 (04FTSb) (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• coordinate based on unpublished field data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)

• bed-level stratigraphic resolution

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

• wavy bedded 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 86005: authorized by Karen Layou, entered by Karen Layou on 23.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp. Hall 1862
 Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
 Orthida - Plectorthidae
Hebertella sp. Hall and Clarke 1892
Bryozoa
  -
Bryozoa "indet. B" bryozoan
encrusting bryozoan
Stenolaemata
 Trepostomida -
Trepostomida "sp. D" Ulrich 1882
thin ramose bryozoan
 Cryptostomata - Escharoporidae
Escharopora sp. Hall 1847
 Cryptostomata - Rhinidictyidae
Rhinidictya sp. Ulrich 1882
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
 Phacopida - Cheiruridae
Ceraurus sp. Green 1832 trilobite
Crinoidea
  -
Crinoidea "group C" Miller 1821 Sea lily
Crinoidea "group D" Miller 1821 Sea lily