AMo-2 Rep 3: Thanetian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Scleractinia - Dendrophylliidae
Balanophyllia elaborata
1 specimen
Bivalvia - Nuculanida - Nuculanidae
Calorhadia aldrichiana
1 specimen
Calorhadia pharcida (Dall 1898)
4 specimens
recombined as Calorhadia (Calorhadia) pharcida
Bivalvia - Ostreida - Ostreidae
Ostrea sinuosa
21 specimens
Bivalvia - Pectinida - Pectinidae
Chlamys greggi Harris 1897
1 specimen
recombined as Dhondtichlamys greggi
Bivalvia - Arcida - Glycymerididae
Glycymeris idonea (Conrad 1865)
1 specimen
original and current combination Axinea idonea
Glycymeris idonea subspecies
Bivalvia - Carditida - Carditidae
Venericardia greggiana Dall 1903
5 specimens
recombined as Venericardia (Baluchicardia) greggiana
Bivalvia - Thraciida - Periplomatidae
Periploma sp. Schumacher 1816
2 specimens
Bivalvia - Cardiida - Tellinidae
Tellina greggi
2 specimens
Bivalvia - Cardiida - Veneridae
Pitar nuttalliopsis
13 specimens
4 Pitar nuttalliopsis greggi
Bivalvia - Pholadida - Pholadidae
Pholas alatoidea
3 specimens
Bivalvia - Pholadida - Corbulidae
Corbula subengonata Dall 1898
4 specimens
recombined as Cuneocorbula subengonata
Bivalvia - Lucinida - Lucinidae
Epilucina sp. Dall 1901
5 specimens
Scaphopoda - Gadilida - Gadilidae
Cadulus sp. Philippi 1844
1 specimen
Gastropoda - Opisthobranchia - Retusidae
Retusa sylvaerupis
2 specimens
Gastropoda - Heterostropha - Architectonicidae
Architectonica sp. Röding 1798
1 specimen
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea aperta (Solander 1766)
1 specimen
recombined as Calyptraea (Trochita) aperta
Gastropoda - Rostellariidae
Calyptraphorus trinodiferus
2 specimens
Gastropoda - Neogastropoda - Volutidae
? Athleta sp. Conrad 1853
3 specimens
Gastropoda - Neogastropoda - Clavatulidae
Surcula nasuta
2 specimens
synonym of Turricula
Gastropoda - Neogastropoda - Raphitomidae
Raphitoma cf. veatchi
7 specimens
Gastropoda - Neogastropoda - Turridae
Coronia childreni (Lea 1833)
2 specimens
Coronia childreni var.
Gastropoda - Neogastropoda - Melongenidae
Levifusus supraplanus
1 specimen
Gastropoda - Neogastropoda - Buccinidae
Cantharus elegantissimus
1 specimen
Gastropoda - Naticidae
Natica sp. Scopoli 1777
1 specimen
Euspira marylandica (Conrad 1865)
5 specimens
Polinices eminulus (Conrad 1833)
2 specimens
Polinices eminulis var.
Gastropoda - Turritellidae
Mesalia alabamiensis (De Gregorio 1890)
3 specimens
Mesalia alabamiensis tetradeiras
Turritella mortoni Conrad 1830
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]