Sohl and Koch OFR # 146: Late/Upper Maastrichtian, Alabama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Clione sp.
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras dekayi (Morton 1834)
1 specimen
Eutrephoceras dekayi (Morton)
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites conradi (Morton 1834)
2 specimens
Discoscaphites conradi (Morton) va
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
1 specimen
Baculites sp.
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
3 specimens
Turritella sp.
Turritella vertebroides Morton 1834
4 specimens
Turritella vertebroides Morton
Turritella (Sohlitella) bilira (Stephenson 1941)
2 specimens
recombined as Haustator bilira
Turritella (Sohlitella) bilira (St
Gastropoda - Aporrhaidae
Anchura sp. Conrad 1860
3 specimens
Anchura sp.
Gastropoda - Neogastropoda - Pyropsidae
Pyropsis sp. (Conrad 1860)
2 specimens
Pyropsis spp.
Gastropoda - Neogastropoda - Fasciolariidae
Anomalofusus sp. Wade 1916
1 specimen
Anomalofusus sp.
Graphidula sp. Stephenson 1941
3 specimens
Graphidula sp.
Gastropoda - Neogastropoda - Turbinellidae
Napulus sp. Stephenson 1941
4 specimens
Napulus sp.
Gastropoda - Neogastropoda - Muricidae
Lowenstamia cf. subplanus
1 specimen
Lowenstamia cf. L. subplanus (Gabb - originally entered as "Lowenstamia cf. subplanus"
Gastropoda - Neogastropoda - Volutidae
Longoconcha sp. Stephenson 1941
2 specimens
Longoconcha spp.
Gastropoda - Xenophoridae
Xenophora leprosa (Morton 1834)
2 specimens
recombined as Xenophora (Endoptygma) leprosa
Xenophora leprosa (Morton)
Gastropoda - Naticidae
Amaurellina stephensoni
3 specimens
Amaurellina stephensoni (Wade)
Gyrodes abyssinus
2 specimens
Gyrodes abyssinus (Morton)
Gyrodes petrosus
1 specimen
Gyrodes petrosus (Morton)
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) capax Conrad 1858
1 specimen
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Myalinida - Inoceramidae
Inoceramus (Inoceramus) sp. Sowerby 1814
2 specimens
Inoceramus (Inoceramus) sp.
Bivalvia - Pectinida - Plicatulidae
Plicatula (Plicatula) tetrica Conrad 1860
9 specimens
Plicatula (Plicatula) tetrica Conr
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
2 specimens
Anomia (Anomia) argentaria Morton
Bivalvia - Pectinida - Spondylidae
Spondylus (Spondylus) sp. Linnaeus 1758
5 specimens
Spondylus (Spondylus) sp.
Bivalvia - Pectinida - Neitheidae
Neithea (Neitheops) quinquecostata (Sowerby 1814)
3 specimens
Neithea (Neitheops) quinquecostata
Bivalvia - Ostreida - Gryphaeidae
Gryphaeostrea vomer (Morton 1828)
17 specimens
Gryphaeostrea vomer Morton
Exogyra costata (Say 1820)
20 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Ostreida - Ostreidae
Ostrea mesenterica Morton 1834
1 specimen
recombined as Lopha mesenterica
Ostrea mesenterica Morton
Bivalvia - Mytilida - Crenellidae
Crenella serica Conrad 1860
Crenella serica Conrad
Bivalvia - Pholadida - Corbulidae
Caestocorbula (Caesticorbula) crassaplica Vincent 1910
3 specimens
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Bivalvia - Cardiida - Arcticidae
Veniella conradi Morton 1833
1 specimen
Veniella conradi (Morton)
Bivalvia - Carditida - Crassatellidae
Crassatella sp. Lamarck 1799
5 specimens
Crassatella sp.
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) thoracica (Morton 1834)
4 specimens
Pterotrigonia (Scabrotrigonia) tho
Bivalvia - Nuculida - Nuculidae
Nucula percrassa
4 specimens
Nucula percrassa Conrad
Bivalvia - Nuculanida - Nuculanidae
Nuculana sp. Link 1807
3 specimens
Nuculana sp.
Bivalvia - Nuculanida - Malletiidae
Malletia longfrons
4 specimens
Malletia longfrons (Conrad)
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Polychaeta - Serpulimorpha
Hamulus onyx Morton 1834
Hamulus onyx Morton
Echinoidea - Spatangoida - Schizasteridae
? Linthia sp. Desor 1853
Linthia sp.? - originally entered as "Linthia ? sp."
unclassified
Vertebrata indet. Lamarck 1801
Bone material
Vertebrata indet. Lamarck 1801
Shark parts
see common names

Geography
Country:United States State/province:Alabama County:Lowndes
Coordinates: 32.1° North, 86.8° West (view map)
Paleocoordinates:35.3° North, 64.9° West
Geographic resolution:small collection
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:70.60000 - 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 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
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Braggs Cut; USGS # 30674
Database number:4213
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 21:07:24
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]