Spear Creek (H76-35-2) Bulk2: Ypresian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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| 22 specimens | ||||||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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| 33 specimens | ||||||||||
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Gastropoda
- Naticidae
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Euspira aff. leana
(Palmer 1937)
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15 specimens | |||||||||
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Gastropoda
- Tornidae
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? Teinostoma sp.
Adams and Adams 1853
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4 specimens | |||||||||
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Bivalvia
- Carditida
- Carditidae
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| 219 specimens | ||||||||||
| MNI 113 | ||||||||||
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Bivalvia
- Cardiida
- Mactridae
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Spisula parilis
Conrad 1833
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4 specimens | |||||||||
| MNI 2 Spisula parilis bistriata | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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| 58 specimens | ||||||||||
| MNI 30 | ||||||||||
| 18 specimens | ||||||||||
| MNI 10 | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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? Vokesula aldrichi
(Meyer 1885)
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70 specimens | |||||||||
| MNI 36 | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Linga pomilia
Conrad 1833
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6 specimens | |||||||||
| MNI 4 | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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| 2 specimens | ||||||||||
| MNI 1 | ||||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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| 1 specimen | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Choctaw |
| Coordinates: | 32.1° North, 88.2° West (view map) | ||||
| Paleocoordinates: | 35.8° North, 64.6° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Ypresian | ||
| Age range of interval: | 56 - 47.8 m.y. ago |
Stratigraphy
| Formation: | Hatchetigbee Bluff | Member: | Bashi |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | yellow poorly lithified sandstone |
| Lithology description: Sand 2 weathered yellow very fossiliferous. Layer of large flat lying Venericardia valves near top of unit. | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection methods: | bulk,sieve,survey of museum collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | YPM |
| Collection method comments: Hansen dissertation material reposited at YPM, was picked and identified by T. Hansen.
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Metadata
| Database number: | 83812 | ||
| Authorizer: | A. Miller | Enterer: | J. Sessa |
| Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
| Created: | 2008-09-02 13:52:35 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2008-09-02 13:52:35 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 42. | T. A. Hansen. 1978. Ecological control of evolutionary rates in Paleocene - Eocene marine molluscs. Ph.D. Thesis, Yale University 1-310 [T. Hansen/M. Sommers/A. Clement] |
Secondary references:
| 34008 | L. C. Ivany, C. Pietsch, J. C. Handley, R. Lockwood, W. D. Allmon and J. A. Sessa. 2018. Little lasting impact of the Paleocene-Eocene Thermal Maximum on shallow marine mollusk faunas. Science Advances [J. Sessa/J. Sessa/J. Sessa] | |
| 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] |