Offshore zone -6, Sulphur Springs Quadrangle, Cloverdale Church (Ordovician of the United States)

Where: Dade County, Georgia (34.7° N, 85.5° W: paleocoordinates 29.2° S, 66.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Caradoc (458.4 - 449.5 Ma)

• no information given

Environment/lithology: offshore; gray, argillaceous limestone

• Gray to blue-brown, argillaceous to lutitic, fine-grained crystalline limestone, sometimes with shale (frequently red-brown in color).

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 33065: authorized by Steven Holland, entered by Tori Hanson on 22.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Strictoporella sp.
Gastropoda
 Murchisoniina - Lophospiridae
Lophospira sp.
Lophospira sp. Whitfield 1886 snail
Cephalopoda
 Orthocerida - Orthoceratidae
Orthoceras sp.
Orthoceras sp. Breynius 1832
Strophomenata
 Strophomenida - Sowerbyellidae
Sowerbyella sp.
Sowerbyella sp. Jones 1928
Rhynchonellata
 Orthida - Plaesiomyidae
Multicostella sp., Dinorthis cf. atavoides
Dinorthis cf. atavoides Willard 1928
Willard
 Orthida - Glyptorthidae
Glyptorthis bellarugosa
Glyptorthis bellarugosa Conrad 1843
(Conrad)
 Orthida - Hesperorthidae
Hesperorthis tricenaria
Hesperorthis tricenaria Conrad 1843
(Conrad)
 Orthida - Plectorthidae
Hebertella sp.
Hebertella sp. Hall and Clarke 1892
 Orthida - Draboviidae
Pionodema subaequata
Pionodema subaequata Conrad 1843
(Conrad)
 Atrypida - Anazygidae
"Zygospira recurvirostris" = Anazyga recurvirostra
"Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847
(Hall)
 Rhynchonellida - Ancistrorhynchidae
Ancistrorhyncha costata
Ancistrorhyncha costata Ulrich and Cooper 1942
Ulrich & Cooper
Stenolaemata
 Cryptostomata - Arthrostylidae
Arthroclema armatum, Helopora spiniformis
Arthroclema armatum Ulrich 1890
Ulrich
 Cryptostomata - Rhinidictyidae
Rhinidictya mutabilis
Rhinidictya mutabilis Ulrich 1882
Ulrich
 Trepostomida - Monticuliporidae
Prasopora sp., Homotrypa minnesotensis
Prasopora sp. Nicholson and Etheridge 1877
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia fabulites
Leperditia fabulites ostracod
(Conrad)