Agr-7: Early/Lower Campanian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Testudines
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Prionochelys matutina
Zangerl 1953
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MSC 39013, MSC 3036, MSC 1719 | ||||||||||
Reptilia
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Ichthyornis dispar
Marsh 1872
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Benito et al. 2022 | |||||||||
MSC 2841, 13214 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Alabama | County: | Greene |
Coordinates: | 33.0° North, 88.0° West (view map) | ||||
Paleocoordinates: | 35.7° North, 60.0° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
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 |
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: | 197314 | ||
Authorizer: | E. Vlachos, P. Mannion | Enterer: | E. Vlachos, P. Mannion |
Modifier: | P. Mannion | ||
Created: | 2018-11-02 12:52:56 | Last modified: | 2023-08-02 07:01:29 |
Access level: | the public | Released: | 2018-11-02 12:52:56 |
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] |