Offshore zone -4, East Ridge Quadrangle, Little Chickamauga Creek: Caradoc, Georgia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella punctostriata
(Mather 1917)
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| synonym of Sowerbyella curdsvillensis | ||||||||||
| (Mather) | ||||||||||
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena incurvata
(Shephard 1838)
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| (Shepard) | ||||||||||
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Strophomena planumbona
(Hall 1847)
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| Hall | ||||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina trentonensis
(Hall 1847)
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| (Conrad) | ||||||||||
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Rhynchonellata
- Atrypida
- Anazygidae
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Zygospira recurvirostris
(Hall 1847)
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| recombined as Anazyga recurvirostra | ||||||||||
| (Hall) | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Ancistrorhynchidae
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Ancistrorhyncha sp.
Ulrich and Cooper 1942
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Rhynchonellata
- Orthida
- Draboviidae
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Fascifera subcarinata
Ulrich and Cooper 1942
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| Ulrich & Cooper | ||||||||||
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Pionodema minuscula
Willard 1928
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| (Willard) | ||||||||||
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella sp.
Hall and Clarke 1892
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Rhynchonellata
- Orthida
- Hesperorthidae
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Hesperorthis tricenaria
(Conrad 1843)
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| (Conrad) | ||||||||||
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Stenolaemata
- Trepostomata
- Trematoporidae
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Batostoma sp.
Ulrich 1882
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Orthoceras sp.
Breynius 1832
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Gastropoda
- Bellerophontida
- Bucaniidae
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Phragmolites fimbriatus
(Ulrich and Scofield 1897)
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| recombined as Phragmolites fimbriata | ||||||||||
| Ulrich & Scofield | ||||||||||
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Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira serrulatus
(Salter 1859)
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| recombined as Lophospira serrulata | ||||||||||
| (Salter) | ||||||||||
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Gastropoda
- Murchisoniina
- Eotomariidae
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Liospira progne
(Billings 1860)
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| (Billings) | ||||||||||
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Ostracoda
- Leperditicopida
- Leperditiidae
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Leperditia sp.
Rouault 1851
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Leperditia fabulites
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| (Conrad) | ||||||||||
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Trilobita
- Proetida
- Bathyuridae
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Bathyurus sp.
Billings 1859
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Trilobita
- Phacopida
- Pterygometopidae
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Calliops callicephala
(Hall 1847)
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| recombined as Calyptaulax callicephalus | ||||||||||
| (Hall) | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Isotelus sp.
Dekay 1824
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Anthozoa
- Favositida
- Favositidae
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Favosites sp.
Lamarck 1816
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Stromatoporoidea
- Labechiida
- Aulaceratidae
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Cryptophragmus antiquatus
Raymond 1914
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| (Raymond) | ||||||||||
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Stromatoporoidea
- Labechiida
- Stromatoceriidae
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Stromatocerium rugosum
Hall 1847
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| (Hall) | ||||||||||
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unclassified
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Tetradium cellulosum
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| (Hall) | ||||||||||
| 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, 66.0° 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: | gray "limestone" |
| Secondary lithology: | chert |
| Includes fossils? | Y |
| Lithology description: thin- to massively bedded, gray to dark gray limestone, sometimes argillaceous, frequently containing gray to black chert nodules, pebbles of limestone, or some silt layers. | |
| 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: | 32823 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2003-07-15 14:45:07 | Last modified: | 2004-10-20 10:16:58 |
| Access level: | the public | Released: | 2003-07-15 14:45:07 |
| 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] |