USGS 6470, Pontotoc: Late/Upper Maastrichtian, Mississippi
collected by L.W. Stephenson

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Spatangoida - Schizasteridae
Linthia variabilis Slocom 1909
Echinoidea - Spatangoida - Hemiasteridae
Hemiaster wetherbyi de Loriol 1887
Gastropoda - Turritellidae
Turritella vertebroides Morton 1834
Sohl and Koch 1983 1 specimen
Turritella vertebroides Morton
Bivalvia - Pectinida - Limidae
Lima (Lima) reticulata Forbes 1845
Sohl and Koch 1983 2 specimens
recombined as Lima reticulata
Lima (Lima) reticulata Lyell & For
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
Sohl and Koch 1983 1 specimen
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Mytilida - Mytilidae
Botula carolinensis
Sohl and Koch 1983
Botula carolinensis (Conrad)
Bivalvia - Cardiida - Tellinidae
Linearia pectinis
Sohl and Koch 1983 2 specimens
original and current combination Linearis
Linearia pectinis Stephenson
Polychaeta - Serpulimorpha
Hamulus ripleyanus
Sohl and Koch 1983
Hamulus ripleyanus Harbison
Malacostraca - Decapoda - Raninidae
Carinatus galebishopi Nyborg et al. 2017
Nyborg et al. 2017 1 specimen
see common names

Geography
Country:United States State/province:Mississippi County:Pontotoc
Coordinates: 34.2° North, 89.0° West (view map)
Paleocoordinates:37.8° North, 66.4° West
Basis of coordinate:based on nearby landmark
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 iris
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Owl Creek Member:upper
Stratigraphic resolution:member
Stratigraphy comments: Haustator bilira assemblage zone
Lithology and environment
Primary lithology:yellow siltstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original calcite
Size of fossils:mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USNM
Collectors:L.W. Stephenson
Metadata
Also known as:Sohl and Koch OFR # 52
Database number:4133
Authorizer:M. Kosnik, W. Kiessling Enterer:M. Kosnik, M. Krause, U. Merkel
Modifier:M. Clapham Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2018-11-17 21:00:25
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

26335.1% 20600C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]

Secondary references:

63727 T. Nyborg, G. E. Phillips, B. V. Bakel and F. J. Vega. 2017. A new genus and species of raninoid crab from the Upper Cretaceous of Mississippi. 91:291-298 [W. Kiessling/M. Krause]
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]
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]