Sohl and Koch OFR # 224: Early/Lower Maastrichtian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Lithophagidae indet.
Lithophagid borings
Vertebrata indet. Lamarck 1801
Bone material
Echinoidea - Cassiduloida
Hardouinia sp. d'Archiac and Haime 1853
corrected as Harduinia
Hardouinea sp.
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Gastropoda
Gastropoda indet. Cuvier 1795
indeterminate gastropods
Gastropoda - Ataphridae
Ataphrus sp. n. sp. Gabb 1869
1 specimen
Ataphrus n. sp. - originally entered as "Ataphrus n. sp."
Gastropoda - Neogastropoda - Fasciolariidae
? Palaeopsephaea sp. (Wade 1926)
1 specimen
original and current combination Paleopsephaea
Paleopsephaea ? sp. - originally entered as "Paleopsephaea ? sp."
Drilluta sp. Wade 1916
1 specimen
Drilluta sp.
Gastropoda - Neogastropoda - Melongenidae
Deussenia sp. Stephenson 1941
2 specimens
Deussenia sp.
Gastropoda - Aporrhaidae
Pugnellus sp. Conrad 1860
1 specimen
Pugnellus sp.
Helicaulax formosa
1 specimen
Helicaulax formosa Stephenson
Graciliala decemlirata Conrad 1858
4 specimens
Graciliala decemlirata Conrad
Gastropoda - Turritellidae
Turritella (Sohlitella) trilira (Conrad 1860)
1 specimen
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Turritella vertebroides Morton 1834
8 specimens
Turritella vertebroides Morton
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) cerulea
12 specimens
Pterotrigonia (Scabrotrigonia) cer
Pterotrigonia (Scabrotrigonia) eufaulensis (Gabb 1860)
Pterotrigonia (Scabrotrigonia) euf
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
2 specimens
Liopistha protexta Conrad
Bivalvia - Cardiida - Arcticidae
Veniella conradi Morton 1833
1 specimen
Veniella conradi (Morton)
Bivalvia - Cardiida - Mactridae
Cymbophora sp. Gabb 1869
1 specimen
Cymbophora sp.
Bivalvia - Cardiida - Veneridae
Cyprimeria alta
15 specimens
Cyprimeria alta Conrad
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
1 specimen
Cardium sp.
Granocardium (Granocardium) kummeli
48 specimens
synonym of Trachycardium
Granocardium (Granocardium) kummel
Trachycardium eufaulensis (Conrad 1860)
6 specimens
Trachycardium eufaulensis (Conrad)
Bivalvia - Cardiida - Tellinidae
? Tellina sp. Linnaeus 1758
1 specimen
Tellina ? sp. - originally entered as "Tellina ? sp."
Solyma aff. elliptica (Gabb 1861)
1 specimen
Solyma aff. S. elliptica (Conrad) - originally entered as "Solyma aff. elliptica"
Linearia sp. (Conrad 1860)
3 specimens
original and current combination Linearis
Linearia sp.
Bivalvia - Lucinida - Lucinidae
Lucina sp. Bruguière 1797
3 specimens
Lucina sp.
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
8 specimens
Crassatella vadosa vadosa Morton
Bathytormus pteropsis (Conrad 1860)
2 specimens
Bathytormus pteropsis (Conrad)
Scambula perplana Conrad 1869
1 specimen
Scambula perplana Conrad
Bivalvia - Arcida - Glycymerididae
Glycymeris rotundata
2 specimens
Glycymeris rotundata (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
2 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Ostreida - Ostreidae
Flemingostrea sp. n. sp. Vredenburg 1916
Flemingostrea n. sp. (narrow form) - originally entered as "Flemingostrea n. sp."
Crassostrea cortex
20 specimens
Crassostrea cortex (Conrad)
Ostrea sp. Linnaeus 1758
14 specimens
Ostrea sp.
Bivalvia - Pectinida - Pectinidae
Camptonectes (Camptonectes) sp. Meek 1864
4 specimens
Camptonectes (Comptonectes) sp.
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876
1 specimen
Anomia (Anomia) ornata Gabb
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
5 specimens
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Clione sp.
unclassified
Mesostoma sp. Ehrenberg 1837
1 specimen
Mesostoma sp.
see common names

Geography
Country:United States State/province:Alabama County:Barbour
Coordinates: 31.8° North, 85.1° West (view map)
Paleocoordinates:34.6° North, 63.3° West
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Late/Upper Senonian
*International age/stage:Middle - Late/Upper Maastrichtian
Key time interval:Early/Lower Maastrichtian Foram zone: Contusotruncana contusa
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Providence Member:lower
Stratigraphic resolution:member
Stratigraphy comments: Foraminiferal zonation from King and Skotnicki, 1992.
Lithology and environment
Primary lithology: lithified silty,calcareous sandstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original calcite
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Alexanders Landing; USGS # 2551 : 28423 : 25995
Database number:4261
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Clapham Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2017-07-28 16:18:06
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
283. N. F. Sohl and C. F. Koch. 1983. Upper Cretaceous (Maestrichtian) Mollusca from the Haustator bilira Assemblage Zone in the East Gulf Coastal Plain. USGS Open File Report 83-451:1-239 [M. Kosnik/M. Kosnik/M. Uhen]

Secondary references:

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]