Offshore zone +8, Ringgold Quadrangle, Taylor Ridge (Ordovician of the United States)

Where: Catoosa County, Georgia (34.9° N, 85.1° W: paleocoordinates 29.3° S, 65.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Caradoc (458.4 - 449.5 Ma)

• No information given

Environment/lithology: offshorebrown, silty and green, blue, argillaceous limestone

• light brown silty limestone; thinly-bedded, shaly limestones grading upward into greenish-blue, coarsely crystalline limestones in 1 to 2 inch layers separated by green shale partings

Size class: macrofossils

Primary reference: A. T. Allen and J. G. Lester. 1957. Zonation of the Middle and Upper Ordovician strata in northwestern Georgia. Georgia State Division of Conservation, the Geological Survey Bulletin 66:1-104 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 32534: authorized by Steven Holland, entered by Tori Hanson on 08.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Petogophora sp.
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sp.
Leptaena sp. Dalman 1828
Rhynchonellata
 Orthida - Plectorthidae
Plectorthis fissicosta, Hebertella frankfortensis, Hebertella sinuata
Hebertella frankfortensis James 1871
[Hebertella frankfortenis]
Hebertella sinuata Hall 1847
Hall
 Orthida - Platystrophiidae
Platystrophia acutilirata
Platystrophia acutilirata Conrad 1842
Conrad
Stenolaemata
 Trepostomida - Monticuliporidae
Prasopora hospitalis