Sohl and Koch OFR # 161: 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 (encrusting)
Rhynchonellata - Terebratulida - Cancellothyrididae
Terebratulina floridana
4 specimens
Terebratulina floridana (Morton)
Polychaeta - Serpulimorpha
Hamulus onyx Morton 1834
Hamulus onyx Morton
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Bivalvia - Mytilida - Crenellidae
Crenella serica Conrad 1860
1 specimen
Crenella serica Conrad
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) capax Conrad 1858
5 specimens
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Arcida - Arcidae
Arca sp. Linnaeus 1758
1 specimen
Arca sp.
Bivalvia - Ostreida - Ostreidae
Ostrea mesenterica Morton 1834
2 specimens
recombined as Lopha mesenterica
Ostrea mesenterica Morton
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
6 specimens
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Pycnodonte vesicularis (Lamarck 1806)
5 specimens
recombined as Pycnodonta vesicularis
Pycnodonte vesicularis Lamarck
Exogyra costata (Say 1820)
16 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Pectinida - Dimyidae
Atreta melleni
6 specimens
Atreta melleni (Stephenson)
Bivalvia - Pectinida - Pectinidae
Camptonectes (Camptonectes) sp. Meek 1864
1 specimen
Camptonectes (Comptonectes) sp.
Bivalvia - Pectinida - Plicatulidae
Plicatula (Plicatula) mullicaensis
41 specimens
Plicatula (Plicatula) mullicaensis
Plicatula (Plicatula) sp. Lamarck 1801
1 specimen
Plicatula (Plicatula) sp.
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
6 specimens
Anomia (Anomia) argentaria Morton
Bivalvia - Pectinida - Limidae
Lima (Lima) reticulata Forbes 1845
1 specimen
recombined as Lima reticulata
Lima (Lima) reticulata Lyell & For
Bivalvia - Myoida
Eufistulina ripleyana
1 specimen
original and current combination Eufistulana
Eufistulana ripleyana (Stephenson) - originally entered as "Eufistulana ripleyana"
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
6 specimens
Crassatella vadosa vadosa Morton
Bivalvia - Carditida - Carditidae
Vetericardiella sp. Chavan 1969
1 specimen
Vetericardiella sp.
Bivalvia - Pholadida - Corbulidae
Caestocorbula (Caesticorbula) crassaplica Vincent 1910
4 specimens
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
5 specimens
Cardium sp.
Granocardium (Granocardium) sp. (Gabb 1869)
1 specimen
synonym of Trachycardium
Granocardium (Granocardium) sp.
Bivalvia - Cardiida - Arcticidae
Veniella conradi Morton 1833
1 specimen
Veniella conradi (Morton)
Bivalvia - Cardiida - Mactridae
Cymbophora sp. Gabb 1869
1 specimen
Cymbophora sp.
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
1 specimen
Liopistha protexta Conrad
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) thoracica (Morton 1834)
3 specimens
Pterotrigonia (Scabrotrigonia) tho
Cephalopoda - Ammonitida - Baculitidae
Baculites columna Morton 1834
1 specimen
recombined as Trachybaculites columna
Baculites columna Morton
Gastropoda - Heterostropha - Acteonidae
Nonacteonina sp. (Stephenson 1941)
1 specimen
original and current combination Nonactaeonina
Nonacteonina sp.
Gastropoda - Turritellidae
Laxispira monilifera Sohl 1964
1 specimen
Laxispira monilifera Sohl
Turritella sp. Lamarck 1799
8 specimens
Turritella sp.
Turritella vertebroides Morton 1834
2 specimens
Turritella vertebroides Morton
Gastropoda - Naticidae
Gyrodes abyssinus
2 specimens
Gyrodes abyssinus (Morton)
Gastropoda - Neogastropoda
Neogastropoda indet. Thiele 1929
9 specimens
Neogastropods indeterminate
Gastropoda - Neogastropoda - Melongenidae
Pyrifusus sp. Conrad 1858
1 specimen
Pyrifusus sp.
Gastropoda - Neogastropoda - Fasciolariidae
Drilluta sp. Wade 1916
1 specimen
Drilluta sp.
Bellifusus sp. Stephenson 1941
1 specimen
Bellifusus sp.
Gastropoda - Neogastropoda - Volutidae
Longoconcha sp. Stephenson 1941
1 specimen
Longoconcha spp.
Gastropoda - Neogastropoda - Muricidae
Sargana sp. Stephenson 1923
1 specimen
Sargana sp.
Gastropoda - Neotaenioglossa - Calyptraeidae
Thylacus cretaceus Conrad 1860
9 specimens
Thylacus cretaceus Conrad
see common names

Geography
Country:United States State/province:Alabama County:Lowndes
Coordinates: 32.0° North, 86.5° West (view map)
Paleocoordinates:35.1° North, 64.6° 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:glauconitic,gray lithified silty,sandy lime mudstone
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:SW Sandy Ridge; USGS # 17543
Database number:4228
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 21:13:27
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]