Sohl and Koch OFR # 671: Late/Upper Maastrichtian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Mytilida
- Crenellidae
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Crenella serica
Conrad 1860
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10 specimens | |||||||||
| Crenella serica Conrad | ||||||||||
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Bivalvia
- Ostreida
- Flemingostreidae
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Cubitostrea tecticosta
(Gabb 1860)
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1 specimen | |||||||||
| Cubitostrea tecticosta (Gabb) | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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| Ostrea sp. | ||||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Gryphaeostrea sp.
Conrad 1865
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1 specimen | |||||||||
| Gryphaeostrea sp. | ||||||||||
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Exogyra sp.
Say 1820
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| Exogyra sp. | ||||||||||
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Exogyra costata
(Say 1820)
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7 specimens | |||||||||
| original and current combination Exogyra (Exogyra) costata | ||||||||||
| Exogyra costata Say | ||||||||||
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Gastropoda
- Neogastropoda
- Pyropsidae
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Medionapus sp.
Stephenson 1941
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1 specimen | |||||||||
| Medionapus sp. | ||||||||||
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Gastropoda
- Aporrhaidae
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Anchura sp.
Conrad 1860
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1 specimen | |||||||||
| Anchura sp. | ||||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Thylacus cretaceus
Conrad 1860
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10 specimens | |||||||||
| Thylacus cretaceus Conrad | ||||||||||
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Demospongiae
- Clavulina
- Clionaidae
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Cliona sp.
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| Clione sp. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Milam |
| Coordinates: | 30.9° North, 97.1° West (view map) | ||||
| Paleocoordinates: | 36.2° North, 75.7° West | ||||
| Geographic resolution: | outcrop |
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 | Ammonoid zone: | Discoscaphites conradi |
| Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Corsicana Marl | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Haustator bilira assemblage zone | |||||
Lithology and environment
| Primary lithology: | glauconitic,gray sandy claystone | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USGS |
| Collection method comments: Stephenson collection | |
Metadata
| Also known as: | Pettibone; USGS # 15538 : 14131 | ||
| Database number: | 4449 | ||
| Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
| Modifier: | M. Clapham | Research group: | GCP,marine invertebrate |
| Created: | 1999-08-14 13:00:00 | Last modified: | 2017-07-28 16:27:53 |
| 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] |