Choctaw County: Bartonian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gymnolaemata
- Cheilostomata
- Romancheinidae
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Hippopleurifera rotula
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20 %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Lunulitidae
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Lunulites jacksonensis
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10 %-volume | ||||||
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Lunulites distans
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trace %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Calloporidae
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Stamenocella pyriformis
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5 %-volume | ||||||
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Membraniporidra spissimuralis
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10 %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Antroporidae
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Antropora recta
|
trace %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Steginoporellidae
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Steginoporella jacksonica
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25 %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Orbituliporidae
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Schizorthosecos interstitia
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10 %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Otionellidae
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Otionella perforata
|
trace %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Celleporidae
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Schismopora umbonata
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trace | ||||||
| synonym of Celleporina | |||||||
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Gymnolaemata
- Cheilostomata
- Adeonidae
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Adeonellopsis transversa
|
trace %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Smittinidae
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Smittina angulata
|
trace %-volume | ||||||
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Smittina jacksonica
|
10 %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Membraniporidae
|
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Membraniporina sinesolum
Canu and Bassler 1920
|
trace %-volume | ||||||
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Gymnolaemata
- Cheilostomata
- Tessaradomidae
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Beisselina trulla
|
10 %-volume | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Alabama |
| Coordinates: | 31.9° North, 88.4° West (view map) | ||
| Paleocoordinates: | 32.6° North, 79.5° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
| *Period: | Early/Lower Tertiary - Middle Tertiary | *Epoch: | Middle Eocene - Late/Upper Eocene |
| *International age/stage: | Bartonian - Lutetian | *Local age/stage: | Early/Lower - Middle Jackson - Early/Lower Jackson |
| Key time interval: | Bartonian | ||
| Age range of interval: | 41.20000 - 37.71000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Moodys Branch | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Moody's Marl forms the lower Jacksonian Stage.
Ivany - age updated to Priabonian Moodys Branch=Bartonian (JAS 14 October 2010) | |||||
Lithology and environment
| Primary lithology: | glauconitic lithified marl | ||
| Includes fossils? | Y | ||
| Lithology description: fossiliferous, glauconitic marl. | |||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils |
| Collection methods: | bulk,core,chemical,mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:Bryozoans only | |
Metadata
| Database number: | 7316 | ||
| Authorizer: | L. Ivany | Enterer: | E. Kowalski |
| Modifier: | U. Smith | Research group: | marine invertebrate |
| Created: | 2000-05-23 14:51:48 | Last modified: | 2010-10-14 04:55:12 |
| Access level: | the public | Released: | 2000-05-23 14:51:48 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 471. | A. H. Cheetham. 1963. Late Eocene Zoogeography of the Eastern Gulf Coast Region. The Geological Society of America Memoir 91:1-113 [L. Ivany/E. Kowalski] |