Offshore zone -10, Ringgold Quadrangle, Chickamauga Creek: Caradoc, Georgia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Clyclostomiceras cassinense
(Whitfield)
Bathocypris cylindrica
(Hall)
Anthozoa - Stauriida - Stauriidae
Favistella sp. Dana 1846
Stenolaemata - Cryptostomata - Escharoporidae
Escharopora subrecta Ulrich 1886
Ulrich
Stenolaemata - Cryptostomata - Rhinidictyidae
Rhinidictya mutabilis Ulrich 1882
Rhynchonellata - Atrypida - Anazygidae
Zygospira recurvirostris (Hall 1847)
recombined as Anazyga recurvirostra
(Hall)
Rhynchonellata - Orthida - Draboviidae
Pionodema miniscula (Willard 1928)
original and current combination Pionodema minuscula
(Willard)
Rhynchonellata - Orthida - Plaesiomyidae
Valcourea sp. Raymond 1911
Dinorthis sp. Hall and Clarke 1892
Rhynchonellata - Orthida - Glyptorthidae
Glyptorthis sp. Foerste 1914
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
Strophomenata - Strophomenida - Strophomenidae
Strophomena tennesseensis Willard 1928
recombined as Rhipidomena tennesseensis
Willard
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
Cephalopoda - Cyclostomiceratidae
Cyclostomiceras cassinense (Whitfield 1886)
(Whitfield)
Cephalopoda - Actinocerida - Gonioceratidae
Gonioceras sp. Hall 1847
Gastropoda - Euomphalina - Raphistomatidae
Raphistoma peracutum Ulrich and Scofield 1897
recombined as Scalites peracutum
Ulrich & Scofield
Gastropoda - Euomphalina - Helicotomidae
Helicotoma tennesseensis Safford 1869
(Ulrich & Scofield)
Trilobita - Phacopida - Phacopidae
Dipleura dekayi Green 1832
Green
    = Phacopidae indet. Hawle and Corda 1847
Wagner 2020
PJW: Dipleura dekayi is a Devonian species!
Rhodophyceae - Solenoporaceae
Solenopora compacta
(Billings)
see common names

Geography
Country:United States State/province:Georgia County:Catoosa
Coordinates: 34.9° North, 85.1° West (view map)
Paleocoordinates:29.3° South, 65.9° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
*Period:Middle Ordovician - Late/Upper Ordovician
Key time interval:Caradoc
Age range of interval:458.40000 - 449.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: no information given
Lithology and environment
Primary lithology:black,gray argillaceous "limestone"
Includes fossils?Y
Lithology description: 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.
Environment:offshore indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:33182
Authorizer:S. Holland, P. Wagner Enterer:T. Hanson, P. Wagner
Modifier:S. Holland Research group:marine invertebrate
Created:2003-07-23 14:28:14 Last modified:2004-10-20 13:23:28
Access level:the public Released:2003-07-23 14:28:14
Creative Commons license:CC BY
Reference information

Primary reference:
8741. 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]

Secondary references:

65064 P. Wagner. 2020. Subspecies kluges: a pointless taxonomic database to create species opinions for subspecies that then will be over-ruled and allow subspecies occurrences to be recognized as the subspecies rather than the parent species. [P. Wagner/P. Wagner/P. Wagner]