ACl-12: Bartonian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Clypeasteroida
- Protoscutellidae
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Periarchus lyelli
(Conrad 1834)
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16 specimens | |||||||||
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Echinoidea
- Spatangoida
- Schizasteridae
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Schizaster armiger
Clark and Twitchell 1915
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1 specimen | |||||||||
| recombined as Paraster armiger | ||||||||||
| originally entered as "Scizaster armiger" | ||||||||||
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unclassified
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Vertebrata indet.
Lamarck 1801
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1 specimen | |||||||||
| shark teeth | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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2 specimens | |||||||||
| originally entered as "Ostrea spp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Clarke |
| Coordinates: | 31.7° North, 87.8° West (view map) | ||||
| Paleocoordinates: | 32.3° North, 78.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
| *Period: | Tertiary | ||
| *International age/stage: | Early/Lower Priabonian | *Local age/stage: | Auversian |
| 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: | bed | ||||
| Stratigraphy comments: supposedly "Auversian"; stage assignment based on Baum et al. 1994. Local section ACl-12.
Moodys Branch=Bartonian (JAS 14 October 2010) | |||||
Lithology and environment
| Primary lithology: | gray,green sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 3506 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Layou |
| Modifier: | U. Smith | Research group: | GCP,marine invertebrate |
| Created: | 1999-08-04 07:20:08 | Last modified: | 2010-10-14 04:09:10 |
| Access level: | the public | Released: | 1999-08-04 07:20:08 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 124. | L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13(1):1-602 [M. Patzkowsky/K. Layou/P. Mannion] |