Marathon Gas Station 3 (04MGS6Sc) (Ordovician of the United States)

Where: Tennessee (36.4° N, 85.7° W: paleocoordinates 27.9° S, 65.1° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Catheys 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 86234: authorized by Karen Layou, entered by Karen Layou on 26.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Modiomorphida - Modiomorphidae
Modiomorphidae indet.
Modiomorphidae indet. Miller 1877 clam
 Cardiidia - Grammysiidae
Cuneamya sp.
Cuneamya sp. Hall and Whitfield 1875 clam
 Myalinida - Ambonychiidae
Ambonychia sp.
Ambonychia sp. Hall 1847 clam
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp.
Zygospira sp. Hall 1862
 Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp.
Rhynchotrema sp. Hall 1860
Stenolaemata
 Trepostomida -
Trepostomida "sp. C", Trepostomida "sp. D"
Trepostomida "sp. C" Ulrich 1882
thick ramose bryozoan
Trepostomida "sp. D" Ulrich 1882
thin ramose bryozoan
 Trepostomida - Monticuliporidae
Prasopora sp.
Prasopora sp. Nicholson and Etheridge 1877
 Cryptostomata - Escharoporidae
Escharopora sp.
Escharopora sp. Hall 1847
 Cystoporata - Constellariidae
Constellaria sp.
Constellaria sp. Dana 1846