Sohl and Koch OFR # 862: Maastrichtian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Arcida
- Arcidae
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Striarca cuneata
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203 specimens | |||||||||
| Striarca cuneata Gabb | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Crassostrea cortex
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45 specimens | |||||||||
| Crassostrea cortex (Conrad) | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia (Anomia) ornata
Gabb 1876
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4 specimens | |||||||||
| Anomia (Anomia) ornata Gabb | ||||||||||
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Cephalopoda
- Ammonitida
- Sphenodiscidae
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Sphenodiscus sp.
Meek 1871
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3 specimens | |||||||||
| Sphenodiscus sp. | ||||||||||
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Gastropoda
- Thiaridae
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Pachymelania sp. n. sp.
White 1895
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53 specimens | |||||||||
| Pachymelania n. sp. (Escondido) - originally entered as "Pachymelania n. sp." | ||||||||||
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Gastropoda
- Naticidae
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Euspira sp.
Agassiz 1837
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1 specimen | |||||||||
| Euspira sp. | ||||||||||
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Gastropoda
- Neogastropoda
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Neogastropoda indet.
Thiele 1929
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1 specimen | |||||||||
| Neogastropods indeterminate | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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? Bellifusus sp.
Stephenson 1941
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1 specimen | |||||||||
| Bellifusus ? sp. - originally entered as "Bellifusus ? sp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Zavala |
| Coordinates: | 29.1° North, 100.1° West (view map) | ||||
| Paleocoordinates: | 35.2° North, 78.9° West | ||||
| 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: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Escondido | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Haustator bilira assemblage zone. | |||||
Lithology and environment
| Primary lithology: | lithified 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 excludes: | some macrofossils |
| Collection methods: | bulk,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USGS |
| Collection method comments: Sohl collection | |
Metadata
| Also known as: | Conejo; USGS # 32839 | ||
| Database number: | 4576 | ||
| Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
| Modifier: | M. Manojlovic | Research group: | GCP,marine invertebrate |
| Created: | 1999-08-14 13:00:00 | Last modified: | 2016-08-08 12:24:57 |
| Access level: | the public | Released: | 1999-08-14 13:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 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] |
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] |