Locality 2, north of Fort Worth, Tarrant County, Denton Biostrome, Biofacies A: Late Albian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gymnolaemata
- Cheilostomata
- Calloporidae
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Aplousina sp.
Canu and Bassler 1927
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Bivalvia
- Ostreida
- Gryphaeidae
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Gryphaea washitaensis
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Ostracoda
- Podocopida
- Candonidae
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Paracypris alta
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Ostracoda
- Podocopida
- Pontocyprididae
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Pontocyprella alexanderi
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Ostracoda
- Podocopida
- Trachyleberididae
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Cythereis dentonensis
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Cythereis nuda
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Ostracoda
- Platycopida
- Cytherellidae
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Cytherella comanchensis
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Lituolida
- Lituolidae
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Gaudryina (Gaudryina) cushmani
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina gaultina
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Globothalamea
- Rotaliida
- Discorbidae
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Discorbis minima
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Texas | County: | Tarrant |
| Coordinates: | 32.8° North, 97.2° West (view map) | ||||
| Paleocoordinates: | 30.1° North, 59.7° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Late Albian | ||
| Age range of interval: | 106.2 - 100.5 m.y. ago |
Stratigraphy
| Geological group: | Washita | Formation: | Denton | ||
| Local section: | Locality 2 | Local bed: | A | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Biofacies A; oyster biostrome at the top of the Denton Fm, Washita Group, Comanche Series | |||||
Lithology and environment
| Primary lithology: | lithified marl |
| Environment: | open shallow subtidal |
| Geology comments: probably shallow neritic, normal marine salinity | |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 65707 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2006-09-25 01:03:24 | Last modified: | 2006-09-25 04:03:46 |
| Access level: | the public | Released: | 2006-09-25 01:03:24 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18885. | L. R. Laughbaum. 1960. A Paleoecologic Study of the Upper Denton Formation, Tarrant, Denton, and Cooke Counties, Texas. Journal of Paleontology 34(6):1183-1197 [M. Aberhan/S. Nurnberg] |