Route 23 roadcut (H76-31-4): Lutetian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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6 specimens | |||||||||
| misc. gastropods, 6 species, 1 specimen each. | ||||||||||
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Gastropoda
- Heterostropha
- Mathildidae
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Gegania antiquata
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2 specimens | |||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula dumosa
Conrad 1834
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1 specimen | |||||||||
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Gastropoda
- Turritellidae
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Turritella nasuta
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12 specimens | |||||||||
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Turritella cf. rina
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2 specimens | |||||||||
| recombined as Haustator rina | ||||||||||
| originally entered as "Turritella cf. rina" | ||||||||||
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Gastropoda
- Naticidae
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Neverita ? limula
(Conrad 1833)
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5 specimens | |||||||||
| originally entered as "Neverita ? limula" | ||||||||||
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Sinum beatricae
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2 specimens | |||||||||
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Gastropoda
- Rostellariidae
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Calyptraphorus sp.
Conrad 1857
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2 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Ancilla staminea
Conrad 1832
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1 specimen | |||||||||
| punctulifera | ||||||||||
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Gastropoda
- Neogastropoda
- Melongenidae
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Levifusus mortoniopsis
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11 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Terebrifusus amoenus
(Conrad 1833)
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2 specimens | |||||||||
| original and current combination Buccinum amoenum | ||||||||||
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Pseudoliva vetusta
(Conrad 1833)
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3 specimens | |||||||||
| original and current combination Monoceros vetusta | ||||||||||
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Buccitriton texanum
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24 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Athleta petrosus
(Conrad 1833)
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1 specimen | |||||||||
| recombined as Athleta petrosa | ||||||||||
| petrosus | ||||||||||
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Athleta haleanus
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14 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Borsoniidae
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Bathytoma cf. nonplicata
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2 specimens | |||||||||
| originally entered as "Bathytoma cf. nonplicata" | ||||||||||
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Gastropoda
- Neogastropoda
- Turridae
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Protosurcula gabbi
Conrad 1865
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1 specimen | |||||||||
| corrected as Protosurcula gabbii | ||||||||||
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Eosurcula moorei
Gabb 1860
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6 specimens | |||||||||
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Eopleurotoma sp.
Cossmann 1889
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6 specimens | |||||||||
| sp. A | ||||||||||
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Eopleurotoma sp.
Cossmann 1889
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1 specimen | |||||||||
| sp. B | ||||||||||
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Eopleurotoma cf. gemmavia
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2 specimens | |||||||||
| originally entered as "Eopleurotoma cf. gemmavia" | ||||||||||
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Gastropoda
- Neogastropoda
- Cochlespiridae
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cf. Ancistrosyrinx sp.
Dall 1881
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2 specimens | |||||||||
| synonym of Cochlespira | ||||||||||
| originally entered as "cf. Ancystosyrinx sp." | ||||||||||
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Cochlespira engonata
Conrad 1865
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6 specimens | |||||||||
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Gastropoda
- Ficidae
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Ficopsis penita
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2 specimens | |||||||||
| synonym of Ficus | ||||||||||
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Gastropoda
- Opisthobranchia
- Retusidae
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Retusa cf. galba
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3 specimens | |||||||||
| originally entered as "Retusa cf. galba" | ||||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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15 specimens | |||||||||
| misc. bivalves, 15 species, 1 specimen each. | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Pachecoa decisa
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365 specimens | |||||||||
| (Pachecoa) | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Eburneopecten scintillatus
(Conrad 1854)
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3 specimens | |||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Cubitostrea sellaeformis
(Conrad 1832)
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25 specimens | |||||||||
| (Cubitostrea) | ||||||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia densata
(Conrad 1845)
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10 specimens | |||||||||
| recombined as Venericardia (Venericor) densata | ||||||||||
| (Venericor) | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar sp.
Römer 1857
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3 specimens | |||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Caryocorbula deusseni
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7 specimens | |||||||||
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Vokesula smithvillensis
(Harris 1919)
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12 specimens | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nucula mauricensis
(Harris 1919)
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6 specimens | |||||||||
| recombined as Nucula (Nucula) mauricensis | ||||||||||
| (Nucula) | ||||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Calorhadia bella
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13 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Choctaw |
| Coordinates: | 31.8° North, 88.3° West (view map) | ||||
| Paleocoordinates: | 33.0° North, 77.0° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Tertiary | ||
| Key time interval: | Lutetian | ||
| Age range of interval: | 47.80000 - 41.20000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | gray,red or brown unlithified argillaceous siltstone | ||
| Environment: | offshore | Tectonic setting: | passive margin |
| Geology comments: "massive gray blue silty-sand, weathering brown. diverse and well preserved fossil assemblage." | |||
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | bulk,mechanical,sieve,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | H76-31 | ||
| Database number: | 1439 | ||
| Authorizer: | T. Hansen | Enterer: | M. Sommers |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 1999-04-15 15:19:22 | Last modified: | 2006-09-14 19:54:24 |
| Access level: | the public | Released: | 2000-11-20 13:53:12 |
| Creative Commons license: | CC BY | ||
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] |