AMo-2 Rep 3: Thanetian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Scleractinia
- Dendrophylliidae
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Balanophyllia elaborata
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1 specimen | |||||||||
Bivalvia
- Nuculanida
- Nuculanidae
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Calorhadia aldrichiana
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1 specimen | |||||||||
Calorhadia pharcida
(Dall 1898)
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4 specimens | |||||||||
recombined as Calorhadia (Calorhadia) pharcida | ||||||||||
Bivalvia
- Ostreida
- Ostreidae
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Ostrea sinuosa
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21 specimens | |||||||||
Bivalvia
- Pectinida
- Pectinidae
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Chlamys greggi
Harris 1897
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1 specimen | |||||||||
recombined as Dhondtichlamys greggi | ||||||||||
Bivalvia
- Arcida
- Glycymerididae
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Glycymeris idonea
(Conrad 1865)
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1 specimen | |||||||||
original and current combination Axinea idonea | ||||||||||
Glycymeris idonea subspecies | ||||||||||
Bivalvia
- Carditida
- Carditidae
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Venericardia greggiana
Dall 1903
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5 specimens | |||||||||
recombined as Venericardia (Baluchicardia) greggiana | ||||||||||
Bivalvia
- Thraciida
- Periplomatidae
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Periploma sp.
Schumacher 1816
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2 specimens | |||||||||
Bivalvia
- Cardiida
- Tellinidae
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Tellina greggi
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2 specimens | |||||||||
Bivalvia
- Cardiida
- Veneridae
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Pitar nuttalliopsis
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13 specimens | |||||||||
4 Pitar nuttalliopsis greggi | ||||||||||
Bivalvia
- Pholadida
- Pholadidae
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Pholas alatoidea
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3 specimens | |||||||||
Bivalvia
- Pholadida
- Corbulidae
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Corbula subengonata
Dall 1898
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4 specimens | |||||||||
recombined as Cuneocorbula subengonata | ||||||||||
Bivalvia
- Lucinida
- Lucinidae
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Epilucina sp.
Dall 1901
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5 specimens | |||||||||
Scaphopoda
- Gadilida
- Gadilidae
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Cadulus sp.
Philippi 1844
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1 specimen | |||||||||
Gastropoda
- Opisthobranchia
- Retusidae
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Retusa sylvaerupis
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2 specimens | |||||||||
Gastropoda
- Heterostropha
- Architectonicidae
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Architectonica sp.
Röding 1798
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1 specimen | |||||||||
Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea aperta
(Solander 1766)
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1 specimen | |||||||||
recombined as Calyptraea (Trochita) aperta | ||||||||||
Gastropoda
- Rostellariidae
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Calyptraphorus trinodiferus
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2 specimens | |||||||||
Gastropoda
- Neogastropoda
- Volutidae
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? Athleta sp.
Conrad 1853
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3 specimens | |||||||||
Gastropoda
- Neogastropoda
- Clavatulidae
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Surcula nasuta
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2 specimens | |||||||||
synonym of Turricula | ||||||||||
Gastropoda
- Neogastropoda
- Raphitomidae
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Raphitoma cf. veatchi
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7 specimens | |||||||||
Gastropoda
- Neogastropoda
- Turridae
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Coronia childreni
(Lea 1833)
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2 specimens | |||||||||
Coronia childreni var. | ||||||||||
Gastropoda
- Neogastropoda
- Melongenidae
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Levifusus supraplanus
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1 specimen | |||||||||
Gastropoda
- Neogastropoda
- Buccinidae
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Cantharus elegantissimus
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1 specimen | |||||||||
Gastropoda
- Naticidae
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Natica sp.
Scopoli 1777
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1 specimen | |||||||||
Euspira marylandica
(Conrad 1865)
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5 specimens | |||||||||
Polinices eminulus
(Conrad 1833)
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2 specimens | |||||||||
Polinices eminulis var. | ||||||||||
Gastropoda
- Turritellidae
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Mesalia alabamiensis
(De Gregorio 1890)
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3 specimens | |||||||||
Mesalia alabamiensis tetradeiras | ||||||||||
Turritella mortoni
Conrad 1830
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1 specimen | |||||||||
recombined as Kapalmerella mortoni | ||||||||||
Turritella mortoni postmortoni | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Alabama | County: | Monroe |
Coordinates: | 31.8° North, 87.4° West (view map) | ||||
Paleocoordinates: | 34.3° North, 70.2° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Paleocene |
Stage: | Thanetian | 10 m.y. bin: | Cenozoic 1 |
Key time interval: | Thanetian | ||
Age range of interval: | 59.20000 - 56.00000 m.y. ago |
Stratigraphy
Geological group: | Wilcox | Formation: | Tuscahoma | Member: | Bells Landing Marl |
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: replicates are all from the fossiliferous layer 7 ft above water level, about 1m apart. |
Lithology and environment
Primary lithology: | very fine,glauconitic unlithified muddy sandstone |
Includes fossils? | Y |
Lithology description: very fine grained, glauconitic clayey sand. | |
Environment: | shallow subtidal indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | mesofossils |
Collection methods and comments
Collection methods: | bulk,sieve,field collection |
Reason for describing collection: | paleoecologic analysis |
Collection method comments: Gastropod shells were only counted if they contained the apex of the shell; bivalves shells were only counted if they contained the umbo. |
Metadata
Database number: | 86179 | ||
Authorizer: | M. Patzkowsky | Enterer: | J. Sessa |
Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
Created: | 2009-01-26 07:32:24 | Last modified: | 2018-05-13 16:25:02 |
Access level: | authorizer only | Released: | 2010-01-26 07:32:24 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
28506. | J. A. Sessa, M. E. Patzkowsky, and T. J. Bralower. 2009. Impact of lithification on the diversity, size distribution, and recovery dynamics of marine invertebrate assemblages. Geology 37(2):115-118 [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] | |
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] |