AEs-4 (Pachuta): Priabonian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea
- Clypeasteroida
- Protoscutellidae
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Periarchus pileussinensis
(Ravenel 1844)
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Periarchus lyelli pileussinensis | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Alabama | County: | Escambria |
Coordinates: | 31.3° North, 86.8° West (view map) | ||||
Paleocoordinates: | 31.6° North, 79.0° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
*Period: | Tertiary | ||
Key time interval: | Priabonian | ||
Age range of interval: | 37.71000 - 33.90000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Yazoo Clay | Member: | Pachuta Marl | ||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: supposedly "Bartonian"; stage assignment based on Baum et al. 1994; Section AEs-4 |
Lithology and environment
Primary lithology: | unlithified calcareous marl |
Environment: | marine indet. |
Geology comments: lithology described as a marl |
Taphonomy
Modes of preservation: | body |
Size of fossils: | mesofossils |
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 3546 | ||
Authorizer: | M. Patzkowsky | Enterer: | K. Layou |
Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
Created: | 1999-08-04 12:50:53 | Last modified: | 2010-10-04 08:45:41 |
Access level: | the public | Released: | 1999-08-04 12:50:53 |
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] |