Lewisburg 2 (03LW3Db) (Ordovician of the United States)

Where: Tennessee (35.5° N, 86.8° W: paleocoordinates 27.9° S, 66.6° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Lebanon Formation, Mohawkian (457.3 - 451.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; shelly/skeletal packstone and shelly/skeletal, calcareous siltstone

• interbedded packstone, calcareous siltstone, and calcareous shale

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 86108: authorized by Karen Layou, entered by Karen Layou on 25.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp. Hall 1862
 Orthida - Plectorthidae
Doleroides sp. Cooper 1930
 Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Strophomenata
 Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Stenolaemata
 Cryptostomata - Rhinidictyidae
Rhinidictya sp. Ulrich 1882
 Cryptostomata - Escharoporidae
Escharopora sp. Hall 1847
 Trepostomida -
Trepostomida "sp. D" Ulrich 1882
thin ramose bryozoan
Ostracoda
 Myodocopa -
Leperditicopida indet. Scott 1961 ostracod
Trilobita
 Phacopida - Cheiruridae
Ceraurus sp. Green 1832 trilobite
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
Crinoidea
  -
Crinoidea "group C" Miller 1821 Sea lily
Crinoidea "group D" Miller 1821 Sea lily
Crinoidea "group E" Miller 1821 Sea lily
Crinoidea "group F" Miller 1821 Sea lily
Crinoidea "group J" Miller 1821 Sea lily
Anthozoa
 Stauriida - Streptelasmatidae
Streptelasma sp. Hall 1847 horn coral