Sohl and Koch OFR # 131: Late/Upper Maastrichtian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Clione sp.
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (branching)
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) capax Conrad 1858
14 specimens
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Ostreida - Ostreidae
Ostrea plumosa Morton 1833
1 specimen
Ostrea plumosa Morton
Ostrea mesenterica Morton 1834
1 specimen
recombined as Lopha mesenterica
Ostrea mesenterica Morton
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
4 specimens
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Pycnodonte sp. (Fischer von Waldheim 1835)
12 specimens
Pycnodonte sp.
Pycnodonte vesicularis (Lamarck 1806)
2 specimens
recombined as Pycnodonta vesicularis
Pycnodonte vesicularis Lamarck
Exogyra costata (Say 1820)
3 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Pectinida - Pectinidae
Camptonectes (Camptonectes) sp. Meek 1864
1 specimen
Camptonectes (Comptonectes) sp.
Bivalvia - Pectinida - Neitheidae
Neithea (Neitheops) sp. (Stewart 1930)
1 specimen
original and current combination Neitheops
Neithea (Neitheops) sp.
Bivalvia - Pectinida - Plicatulidae
Plicatula (Plicatula) mullicaensis
2 specimens
Plicatula (Plicatula) mullicaensis
Plicatula (Plicatula) sp. Lamarck 1801
5 specimens
Plicatula (Plicatula) sp.
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
1 specimen
Anomia (Anomia) argentaria Morton
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
5 specimens
Crassatella vadosa vadosa Morton
Bivalvia - Lucinida - Mactromyidae
Unicardium sp. d'Orbigny 1850
1 specimen
Unicardium sp.
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
2 specimens
Cardium sp.
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
1 specimen
Liopistha protexta Conrad
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) sp. (Dietrich 1933)
2 specimens
Pterotrigonia (Scabrotrigonia) sp.
Pterotrigonia (Scabrotrigonia) thoracica (Morton 1834)
1 specimen
Pterotrigonia (Scabrotrigonia) tho
Cephalopoda - Ammonitida - Baculitidae
Baculites (Eubaculites) carinatus Morton 1834
4 specimens
recombined as Eubaculites carinatus
Baculites (Eubaculites) carinatus
Baculites sp. Lamarck 1799
Baculites sp.
Baculites tippahensis
4 specimens
Baculites tippahensis Conrad
Cephalopoda - Ammonitida - Diplomoceratidae
Diplomoceras trabeatus
1 specimen
Diplomoceras trabeatus (Morton)
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites sp. Meek 1870
1 specimen
Discoscaphites sp.
Gastropoda - Neogastropoda - Turbinellidae
Napulus sp. Stephenson 1941
1 specimen
Napulus sp.
Gastropoda - Neogastropoda - Buccinidae
Ornopsis sp. Wade 1916
1 specimen
Ornopsis sp.
? Hydrotribulus sp. Wade 1916
1 specimen
Hydeotribulus ? sp. - originally entered as "Hydeotribulus ? sp."
Gastropoda - Neogastropoda - Fasciolariidae
Graphidula sp. Stephenson 1941
1 specimen
Graphidula sp.
Drilluta sp. Wade 1916
1 specimen
Drilluta sp.
see common names

Geography
Country:United States State/province:Alabama County:Marengo
Coordinates: 32.3° North, 87.8° West (view map)
Paleocoordinates:35.7° North, 65.8° 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:Late/Upper Maastrichtian Ammonoid zone: Discoscaphites conradi
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Prairie Bluff Member:lower
Stratigraphic resolution:member
Stratigraphy comments: Haustator bilira assemblage zone
Lithology and environment
Primary lithology: 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
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: others collection
Metadata
Also known as:NNW Linden; USGS # 17518
Database number:4198
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Manojlovic Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2016-07-25 19:37:54
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]