List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Nuculanida
- Nuculanidae
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Orthoyoldia petropolitana
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| rare | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia ephippioides
Gabb 1860
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| rare | ||||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Tellina (Eurytellina) mooreana
(Gabb 1860)
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| rare | ||||||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia (Venericor) planicosta
(Lamarck 1801)
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| recombined as Venericor planicosta | ||||||||||
| frequent; V. (Venericor) planicosta densata | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Brazos |
| Coordinates: | 30.6° North, 96.5° West (view map) | ||||
| Paleocoordinates: | 32.4° North, 86.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Stratigraphy
| Formation: | Stone City | ||||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: collection from three interbedded lenticular units becoming more glauconitic and fossiliferous in basal 1.5 ft. | |||||
Lithology and environment
| Primary lithology: | gypsiferous,shelly/skeletal,brown,gray,yellow poorly lithified carbonaceous "shale" |
| Secondary lithology: | very fine,glauconitic,micaceous,shelly/skeletal,gray poorly lithified sandstone |
| Includes fossils? | Y |
| Lithology description: three interbedded units: (1) unctous when wet or coherent with dry, brownish-gray, weathering to dark yellowish-orange or moderate-brown, laminated, carbonaceous, shale containing occasional layers of fossils and flakes of gypsum; (2) crumbly to resistant, olive-gray, thinly bedded, fossiliferous, glauconitic, muscovitic, very fine-grained sandstone; (3) loose to crumbly, dark yellowish-orange, thin-bedded, nonfossiliferous, gypsiferous, ferruginous silt | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils,difficult macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 41435 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
| Created: | 2004-07-14 08:49:53 | Last modified: | 2010-10-03 20:06:18 |
| Access level: | the public | Released: | 2004-07-14 08:49:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7415. | H. B. Stenzel, E. K. Krause, and J. T. Twining. 1957. Pelecypoda from the type locality of the Stone City beds (Middle Eocene) of Texas. University of Texas Publication (5704) [M. Kosnik/M. Kosnik/M. Kosnik] |