USGS 15350, Widow Cook Ranch: Late/Upper Maastrichtian, Texas
collected by L.W. Stephenson
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Cassiduloida
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Hardouinia mortonis
(Michelin 1850)
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| subsp. emmonsi | ||||||||||
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Sohl and Koch 1984 | |||||||||
| Bryozoa (encrusting) | ||||||||||
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Gastropoda
- Turritellidae
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Turritella (Sohlitella) bilira
(Stephenson 1941)
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Sohl and Koch 1984 | 2 specimens | ||||||||
| recombined as Haustator bilira | ||||||||||
| Turritella (Sohlitella) bilira (St | ||||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Liopeplum cretaceum
Conrad 1858
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Sohl and Koch 1984 | 5 specimens | ||||||||
| Liopeplum cretaceum (Conrad) | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea plumosa
Morton 1833
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Sohl and Koch 1984 | 2 specimens | ||||||||
| Ostrea plumosa Morton | ||||||||||
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Ostrea sp.
Linnaeus 1758
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Sohl and Koch 1984 | |||||||||
| Ostrea sp. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Uvalde |
| Coordinates: | 29.1° North, 99.9° West (view map) | ||||
| Paleocoordinates: | 35.1° North, 79.1° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| *Period: | Late/Upper Cretaceous | *Epoch: | Late/Upper Senonian |
| *International age/stage: | Middle - Late/Upper Maastrichtian | ||
| Key time interval: | Late/Upper Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | gray silty,calcareous sandstone | ||
| Environment: | estuary/bay | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,original calcite,replaced with calcite |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USNM |
| Collectors: | L.W. Stephenson |
Metadata
| Also known as: | Uvalde Test Track; Sohl and Koch OFR # 836 | ||
| Database number: | 4558 | ||
| Authorizer: | M. Kosnik, W. Kiessling | Enterer: | M. Kosnik, U. Merkel |
| Modifier: | M. Clapham | Research group: | GCP,marine invertebrate |
| Created: | 1999-08-14 13:00:00 | Last modified: | 2018-10-24 22:46:16 |
| Access level: | the public | Released: | 1999-08-14 13:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 26335. | 1% 20600 | C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham] |
Secondary references:
| 29915 | J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa] | |
| 282 | N. F. Sohl and C. F. Koch. 1984. Upper Cretaceous (Maestrichtian) larger invertebrate Fossils from the Haustator bilira Assemblage Zone in the west gulf Coastal Plain. USGS Open File Report 84-687:1-282 [M. Kosnik/M. Kosnik] |