Spear Creek (H76-35-2) Bulk 1: Ypresian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda
- Gadilida
- Gadilidae
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Cadulus sp.
Philippi 1844
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29 specimens | |||||||||
Scaphopoda
- Dentaliida
- Dentaliidae
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2 specimens | ||||||||||
Gastropoda
- Opisthobranchiata
- Retusidae
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1 specimen | ||||||||||
Gastropoda
- Neogastropoda
- Cancellariidae
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1 specimen | ||||||||||
Gastropoda
- Neogastropoda
- Volutidae
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2 specimens | ||||||||||
Gastropoda
- Neogastropoda
- Costellariidae
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2 specimens | ||||||||||
Gastropoda
- Neogastropoda
- Olividae
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Agaronia sp.
Gray 1839
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2 specimens | |||||||||
Gastropoda
- Neogastropoda
- Turridae
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Coronia childreni
(Lea 1833)
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3 specimens | |||||||||
Coronia childreni var. | ||||||||||
Gastropoda
- Neogastropoda
- Nassariidae
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10 specimens | ||||||||||
2 specimens | ||||||||||
Gastropoda
- Neogastropoda
- Buccinidae
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"Siphonalia" sp.
Adams 1863
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2 specimens | |||||||||
6 specimens | ||||||||||
1 specimen | ||||||||||
Pseudoliva vetusta forma | ||||||||||
Gastropoda
- Neogastropoda
- Melongenidae
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Levifusus sp.
Conrad 1865
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1 specimen | |||||||||
Gastropoda
- Rostellariidae
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14 specimens | ||||||||||
Gastropoda
- Aporrhaidae
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Aporrhais sp.
da Costa 1778
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2 specimens | |||||||||
Gastropoda
- Naticidae
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Euspira leana
(Palmer 1937)
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1 specimen | |||||||||
1 specimen | ||||||||||
Bivalvia
- Carditida
- Carditidae
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161 specimens | ||||||||||
MNI 89 | ||||||||||
Bivalvia
- Thraciida
- Periplomatidae
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Periploma sp.
Schumacher 1816
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1 specimen | |||||||||
Bivalvia
- Cardiida
- Veneridae
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9 specimens | ||||||||||
MNI 7 | ||||||||||
7 specimens | ||||||||||
MNI 6 | ||||||||||
Bivalvia
- Cardiida
- Tellinidae
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Tellina sp.
Linnaeus 1758
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2 specimens | |||||||||
Bivalvia
- Lucinida
- Lucinidae
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2 specimens | ||||||||||
MNI 1 | ||||||||||
Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana sp.
Link 1807
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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: | outcrop |
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. |
Metadata
Database number: | 83811 | ||
Authorizer: | A. Miller | Enterer: | J. Sessa |
Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
Created: | 2008-09-02 13:10:49 | Last modified: | 2025-02-22 15:12:02 |
Access level: | the public | Released: | 2008-09-02 13:10:49 |
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] |