ACof-1: Ypresian, Alabama
collected by Warren Allmon and Emily Cobabe //
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Heterostropha
- Acteonidae
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Tornatellaea bella
Conrad 1860
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3 individuals | |||||||||
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Gastropoda
- Solariellidae
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Solariella sylvaerupis
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10 individuals | |||||||||
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Gastropoda
- Rostellariidae
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Calyptraphorus trinodiferus
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10 individuals | |||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Athleta tuomeyi
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6 individuals | |||||||||
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Gastropoda
- Neogastropoda
- Raphitomidae
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Raphitoma cf. veatchi
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2 individuals | |||||||||
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Gastropoda
- Neogastropoda
- Turridae
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cf. Sullivania tombigbeensis
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3 individuals | |||||||||
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Coronia childreni
(Lea 1833)
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20 individuals | |||||||||
| Coronia childreni var. | ||||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Ancilla staminea
Conrad 1832
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2 individuals | |||||||||
| subspecies maternae | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Latirus interstriatus
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5 individuals | |||||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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cf. Cyllene bellana
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48 individuals | |||||||||
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Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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51 individuals | |||||||||
| Naticidae indet. | ||||||||||
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Natica spp.
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19 individuals | |||||||||
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Sigatica clarkeana
(Aldrich 1887)
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4 individuals | |||||||||
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Polinices sp.
Monfort 1810
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1 individual | |||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea aperta
(Solander 1766)
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6 individuals | |||||||||
| recombined as Calyptraea (Trochita) aperta | ||||||||||
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Gastropoda
- Turritellidae
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Turritella gilberti
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709 individuals | |||||||||
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Gastropoda
- Opisthobranchia
- Retusidae
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Retusa cf. galba
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11 individuals | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Linga pomilia
Conrad 1833
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41 individuals | |||||||||
| Linga pomilia smithi | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Vokesula aldrichi
(Meyer 1885)
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9 individuals | |||||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar nuttalliopsis
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124 individuals | |||||||||
| [entered as Pitar nuttalopsis] | ||||||||||
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Macrocallista sylvaerupis
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15 individuals | |||||||||
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Bivalvia
- Cardiida
- Ungulinidae
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? Diplodonta sp.
Bronn 1831
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1 individual | |||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Tellina subtriangularis
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8 individuals | |||||||||
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Tellina greggi
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12 individuals | |||||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia spp.
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2 individuals | |||||||||
| Venericardia spp.; planicosta-like | ||||||||||
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Venericardia cf. turneri
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2 individuals | |||||||||
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Venericardia cf. horatiana
Gardner 1927
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2 individuals | |||||||||
| recombined as Venericardia (Venericor) horatiana | ||||||||||
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Glyptoactis (Claibornicardia) alticostata
Conrad 1833
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3 individuals | |||||||||
| Glyptoactis (Claibornicardia) alticostata var. | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys choctavensis
(Aldrich 1895)
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1 individual | |||||||||
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Eburneopecten corneoides
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1 individual | |||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula filamentosa
(Conrad 1833)
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1 individual | |||||||||
| Plicatula filamentosa var. | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Odontogryphaea ? sp.
Ihering 1903
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10 individuals | |||||||||
| Odontogryphaea ? sp. A | ||||||||||
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Ostrea sp.
Linnaeus 1758
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1 individual | |||||||||
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Ostrea cf. sinuosa
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6 individuals | |||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris idonea
(Conrad 1865)
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4 individuals | |||||||||
| original and current combination Axinea idonea | ||||||||||
| Glycymeris idonea subsp. | ||||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Sacella robusta
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26 individuals | |||||||||
| original and current combination Saccella | ||||||||||
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Calorhadia spp.
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2 individuals | |||||||||
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Calorhadia aldrichiana
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5 individuals | |||||||||
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Calorhadia pharcida
(Dall 1898)
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2 individuals | |||||||||
| recombined as Calorhadia (Calorhadia) pharcida | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nucula sp.
Lamarck 1799
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25 individuals | |||||||||
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Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium microstria
Heilprin 1880
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16 individuals | |||||||||
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Scaphopoda
- Gadilida
- Gadilidae
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Cadulus sp.
Philippi 1844
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17 individuals | |||||||||
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Bryozoa
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Bryozoa indet.
(Ehrenberg 1831)
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116 specimens | |||||||||
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Anthozoa
- Scleractinia
- Dendrophylliidae
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Balanophyllia cf. haleana
(Milne-Edwards and Haime 1848)
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1 individual | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Coffee |
| Coordinates: | 31.3° North, 86.1° West (view map) | ||||
| Paleocoordinates: | 33.1° North, 71.7° West | ||||
| Basis of coordinate: | estimated from map | ||||
| 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: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
| Geological group: | Wilcox | Formation: | Hatchetigbee Bluff | Member: | Bashi |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | phosphatic unlithified muddy,calcareous sandstone |
| Lithology description: unlithified calcareous, clayey sand, possibly phosphatic | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
| Feeding/predation traces: | drill holes |
Collection methods and comments
| Collection excludes: | difficult macrofossils | ||
| Collection methods: | bulk,sieve,field collection | ||
| Minimum sieve size: | 2.000 | ||
| Rock censused: | 1530 g | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Collectors: | Warren Allmon and Emily Cobabe | Collection dates: | 07/02/88 |
| Collection method comments: Gastropod shells were only counted if they contained the apex of the shell; bivalve shells were only counted if they contained the umbo | |||
| Taxonomic list comments:Philippa Stoddard assisted in the processing and identification of this sample. | |||
Metadata
| Also known as: | ACof-1 of Toulmin 1977 | ||
| Database number: | 97454 | ||
| Authorizer: | J. Sessa | Enterer: | J. Sessa |
| Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
| Created: | 2010-07-29 11:14:35 | Last modified: | 2018-05-13 16:57:20 |
| Access level: | the public | Released: | 2010-07-29 11:14:35 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 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] |
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] |