Locality 1, Fort Worth, Tarrant County, Denton Biostrome, Biofacies D: Late/Upper 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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Bivalvia
- Pectinida
- Pectinidae
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Pecten (Neithea) texanus
Gabb 1861
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| synonym of Camptonectes virgatus | |||||||
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Gastropoda
- Turritellidae
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Turritella delriensis
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Echinoidea
- Cidaroida
- Cidaridae
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Cidaris (Stereocidaris) hemigranosus
Shumard 1860
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| recombined as Leiocidaris hemigranosus | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Texas | County: | Tarrant |
| Coordinates: | 32.8° North, 97.3° West (view map) | ||||
| Paleocoordinates: | 30.1° North, 59.8° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Late/Upper Albian | ||
| Age range of interval: | 106.20000 - 100.50000 m.y. ago |
Stratigraphy
| Geological group: | Washita | Formation: | Denton | ||
| Local section: | Locality 1 | Local bed: | D | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Biofacies D; oyster biostrome at the top of the Denton Fm, Washita Group, Comanche Series | |||||
Lithology and environment
| Primary lithology: | lithified argillaceous "limestone" |
| Environment: | open shallow subtidal |
| Geology comments: The depth of water in which this biofacies was deposited was shallower to the north, and all the localities infer deposition in the upper part of the neritic zone. | |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 65706 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2006-09-25 00:57:57 | Last modified: | 2006-09-25 03:57:58 |
| Access level: | the public | Released: | 2006-09-25 00:57:56 |
| 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] |