Offshore zone -10, Sulphur Springs Quadrangle, Miller Cemetery (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; black, gray, argillaceous limestone

• Gray to black calcilutite with argillaceous partings separating massive beds, as well as gray silty limestone. Mud cracks may be present, and some argillaceous partings may be yellowish-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 33188: authorized by Steven Holland, entered by Tori Hanson on 23.07.2003, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rhodophyceae
  - Solenoporaceae
Trilobita
 Phacopida - Phacopidae
Phacopidae indet. Hawle and Corda 1847 trilobite
Green
Stenolaemata
 Cryptostomata - Rhinidictyidae
Rhinidictya mutabilis Ulrich 1882
Ulrich
 Cryptostomata - Escharoporidae
Escharopora subrecta Ulrich 1886
Ulrich
Rhynchonellata
 Atrypida - Anazygidae
"Zygospira recurvirostris" = Anazyga recurvirostra
"Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847
(Hall)
 Orthida - Draboviidae
Pionodema minuscula Willard 1928
(Willard)
 Orthida - Glyptorthidae
Glyptorthis sp. Foerste 1914
 Orthida - Plaesiomyidae
Dinorthis sp. Hall and Clarke 1892
Valcourea sp. Raymond 1911
 Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
Strophomenata
 Strophomenida - Strophomenidae
"Strophomena tennesseensis" = Rhipidomena tennesseensis
"Strophomena tennesseensis" = Rhipidomena tennesseensis Willard 1928
Willard
 Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
Gastropoda
 Euomphalina - Helicotomidae
Helicotoma tennesseensis Safford 1869 snail
(Ulrich & Scofield)
 Euomphalina - Raphistomatidae
"Raphistoma peracutum" = Scalites peracutum
"Raphistoma peracutum" = Scalites peracutum Ulrich and Scofield 1897 snail
Ulrich & Scofield
Cephalopoda
 Actinocerida - Gonioceratidae
Gonioceras sp. Hall 1847
 Multiceratoidea - Cyclostomiceratidae
Cyclostomiceras cassinense Whitfield 1886
(Whitfield)
Anthozoa
 Stauriida - Stauriidae
Favistella sp. Dana 1846 horn coral