Sohl and Koch OFR # 72: Late/Upper Maastrichtian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Clione sp.
Echinoidea - Cassiduloida
Hardouinia dalli
corrected as Harduinia
Hardouinea dalli Clark
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
14 specimens
Turritella sp.
Turritella vertebroides Morton 1834
7 specimens
Turritella vertebroides Morton
Turritella (Sohlitella) trilira (Conrad 1860)
1 specimen
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Gastropoda - Epitoniidae
Striaticostatum asperum Sohl 1964
2 specimens
Striaticostatum asperum Sohl
Gastropoda - Neogastropoda - Volutidae
Volutomorpha sp. Gabb 1877
2 specimens
Volutomorpha sp.
Gastropoda - Neogastropoda - Fasciolariidae
? Bellifusus sp. Stephenson 1941
1 specimen
Bellifusus ? sp. - originally entered as "Bellifusus ? sp."
? Drilluta sp. Wade 1916
4 specimens
Drilluta ? sp. - originally entered as "Drilluta ? sp."
Gastropoda - Neogastropoda - Turridae
? Fusimilis sp. Stephenson 1941
1 specimen
Fusimilis ? sp. - originally entered as "Fusimilis ? sp."
Gastropoda - Xenophoridae
Xenophora leprosa (Morton 1834)
1 specimen
recombined as Xenophora (Endoptygma) leprosa
Xenophora leprosa (Morton)
Gastropoda - Aporrhaidae
Anchura ? noakensis
1 specimen
Anchura noakensis? Stephenson - originally entered as "Anchura noakensis ?"
Anchura sp. Conrad 1860
3 specimens
Anchura sp.
Gastropoda - Naticidae
Gyrodes abyssinus
1 specimen
Gyrodes abyssinus (Morton)
Gyrodes petrosus
2 specimens
Gyrodes petrosus (Morton)
Euspira cf. rectilabrum (Conrad 1858)
1 specimen
Euspira cf. Euspira rectilabrum (C - originally entered as "Euspira cf. rectilabrum"
Gastropoda - Opisthobranchia - Scaphandridae
Ellipsoscapha sp. Stephenson 1941
1 specimen
Ellipsoscapha ? sp.
Ellipsoscapha mortoni Forbes 1845
3 specimens
Ellipsoscapha mortoni (Forbes)
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
6 specimens
Crassatella vadosa vadosa Morton
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
1 specimen
Liopistha protexta Conrad
Bivalvia - Pandorida - Laternulidae
Anatimya sp. Conrad 1860
1 specimen
Anatymya sp. - originally entered as "Anatymya sp."
Bivalvia - Cardiida - Veneridae
Legumen ellipticum
3 specimens
Legumen ellipticum Conrad
Aphrodina (Aphrodina) sp. Conrad 1869
3 specimens
Aphrodina (Aphrodina) sp.
Cyprimeria alta
3 specimens
Cyprimeria alta Conrad
Bivalvia - Cardiida - Cardiidae
Protocardia (Pachycardium) spillmani
Protocardium (Pachycardium) spillm - originally entered as "Protocardium spillmani"
Cardium sp. Linnaeus 1758
6 specimens
Cardium sp.
Bivalvia - Cardiida - Tellinidae
Linearia pectinis
2 specimens
original and current combination Linearis
Linearia pectinis Stephenson
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) capax Conrad 1858
25 specimens
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Arcida - Arcidae
Arca sp. Linnaeus 1758
2 specimens
Arca sp.
Bivalvia - Ostreida - Gryphaeidae
Pycnodonte vesicularis (Lamarck 1806)
6 specimens
recombined as Pycnodonta vesicularis
Pycnodonte vesicularis Lamarck
Exogyra costata (Say 1820)
5 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 - Pectinida - Plicatulidae
Plicatula (Plicatula) mullicaensis
1 specimen
Plicatula (Plicatula) mullicaensis
Bivalvia - Pectinida - Anomiidae
Paranomia scabra
2 specimens
Paranomia scabra (Morton)
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras perlata (Morton 1834)
4 specimens
recombined as Eutrephoceras perlatus
Eutrephoceras perlata Morton
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites conradi (Morton 1834)
1 specimen
Discoscaphites conradi (Morton) va
Cephalopoda - Ammonitida - Diplomoceratidae
Diplomoceras trabeatus
2 specimens
Diplomoceras trabeatus (Morton)
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
1 specimen
Baculites sp. (Smooth-ovate)
Baculites sp. Lamarck 1799
1 specimen
Baculites sp. (noded)
Baculites tippahensis
1 specimen
Baculites tippahensis Conrad
Baculites (Eubaculites) carinatus Morton 1834
1 specimen
recombined as Eubaculites carinatus
Baculites (Eubaculites) carinatus
Cephalopoda - Ammonitida - Nostoceratidae
Helicoceras sp. d'Orbigny 1840
2 specimens
Helicoceras sp.
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
see common names

Geography
Country:United States State/province:Mississippi County:Clay
Coordinates: 33.8° North, 88.9° West (view map)
Paleocoordinates:37.4° North, 66.5° 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:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Prairie Bluff Member:basal
Stratigraphic resolution:member
Stratigraphy comments: Haustator bilira assemblage zone
Lithology and environment
Primary lithology: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
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:NNE Montpelier; USGS # 25429
Database number:4148
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 19:24:15
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]