Defeated (04DEF5S) (Ordovician of the United States)

Where: Tennessee (36.3° N, 85.9° W: paleocoordinates 27.8° S, 65.3° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Bigby-Cannon Formation, Mohawkian (457.3 - 451.0 Ma)

• bed-level stratigraphic resolution

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

• undulatory wackestone-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 86144: authorized by Karen Layou, entered by Karen Layou on 25.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bryozoa
  -
Bryozoa "indet. B"
Bryozoa "indet. B" bryozoan
encrusting bryozoan
Stenolaemata
 Cryptostomata - Escharoporidae
Escharopora sp.
Escharopora sp. Hall 1847
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp.
Zygospira sp. Hall 1862
 Orthida - Plectorthidae
Hebertella sp.
Hebertella sp. Hall and Clarke 1892
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina sp.
Rafinesquina sp. Hall and Clarke 1892
Crinoidea
  -
Crinoidea "group C"
Crinoidea "group C" Miller 1821 Sea lily