Cliffield Formation, Peery Limestone Member, Thompson Valley (Ordovician of the United States)

Where: Tazewell County, Virginia (37.0° N, 81.6° W: paleocoordinates 29.6° S, 61.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Peery Limestone Member (Cliffield Formation), Caradoc (458.4 - 449.5 Ma)

• Ashbyan

• member-level stratigraphic resolution

Environment/lithology: gray limestone

• 50 feet of thick-bedded taupe- and dove-gray calcilutytes, sometimes subordinate to light-gray, fine-grained, cross-laminated limestones.

Size class: macrofossils

Primary reference: B. N. Cooper and C. E. Prouty. 1943. Stratigraphy of the Lower Middle Ordovician of Tazewell County, Virginia. Bulletin of the Geological Society of America 54:819-886 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 33930: authorized by Steven Holland, entered by Tori Hanson on 08.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Tetradium
  -
Tetradium syringoporoides
Demospongiae
 Sigmatosclerophorida - Dystactospongiidae
Dystactospongia sp.
Dystactospongia sp. Miller 1882 demosponge
 Lithistida - Streptosolenidae
Eospongia sp.
Eospongia sp. Billings 1861 demosponge
Cephalopoda
 Actinocerida - Gonioceratidae
Gonioceras sp.
Gonioceras sp. Hall 1847
Gastropoda
 Murchisoniina - Lophospiridae
Lophospira sp.
Lophospira sp. Whitfield 1886 snail