APn-1: Early/Lower Campanian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Ichthyornis dispar
Marsh 1872
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Benito et al. 2022 | |||||||||
| MSC 3394 | ||||||||||
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Reptilia
- Testudines
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Prionochelys matutina
Zangerl 1953
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| MSC 1540 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Pickens |
| Coordinates: | 33.3° North, 88.2° West (view map) | ||||
| Paleocoordinates: | 36.0° North, 60.1° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Early/Lower Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Mooreville Chalk |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | muddy chalk |
| Includes fossils? | Y |
| Lithology description: Compact fossiliferous clayey chalk and chalky marl | |
| Environment: | marine indet. |
| Geology comments: Inner to middle neritic environments below the wave base | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: McWane Science Center (MSC) in Birmingham, Alabama, USA | |
Metadata
| Database number: | 197308 | ||
| Authorizer: | E. Vlachos, P. Mannion | Enterer: | E. Vlachos, P. Mannion |
| Modifier: | P. Mannion | ||
| Created: | 2018-11-02 12:46:06 | Last modified: | 2021-02-26 04:39:11 |
| Access level: | the public | Released: | 2018-11-02 12:46:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 67279. | A. D. Gentry. 2018. Prionochelys matutina Zangerl, 1953 (Testudines: Pan-Cheloniidae) from the Late Cretaceous of the United States and the evolution of epithecal ossifications in marine turtles. PeerJ 6:e5876:1-34 [E. Vlachos/E. Vlachos/P. Mannion] |
Secondary references:
| 85525 | J. Benito, A. Chen, L. E. Wilson, B.-A. S. Bhullar, D. Burnham and D. J. Field. 2022. Forty new specimens of Ichthyornis provide unprecedented insight into the postcranial morphology of crownward stem group birds. PeerJ 10:e13919 [P. Mannion/P. Mannion] |