Sohl and Koch OFR # 23 (Cretaceous of the United States)

Also known as Garrett Cr; USGS # 32318

Where: Pontotoc County, Mississippi (34.2° N, 89.0° W: paleocoordinates 37.8° N, 66.4° W)

• small collection-level geographic resolution

When: Gansserina gansseri foram zone, Chiwapa Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• No forams have been recovered from this unit, it is assigned to the Gansserina gansseri zone by Mancini et al. (1996) by sequence stratigraphy and the biostratigraphy of surrounding units. Haustator bilira assemblage zone.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, glauconitic, gray sandstone

Size class: mesofossils

Preservation: original calcite

Reposited in the USGS

Collection methods: bulk,

• Sohl collection

Primary reference: N. F. Sohl and C. F. Koch. 1987. Upper Cretaceous (Maestrichtian) larger invertebrates from the Haustator bilira Assemblage Zone in the Atlantic Coastal Plain with further data for the East Gulf. USGS Open File Report 87-194:1-172 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 4114: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Mytilida - Crenellidae
Crenella serica Conrad 1860 clam
Crenella serica Conrad
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
Ostrea sp.
 Ostreida - Gryphaeidae
Pycnodonte sp. Fischer von Waldheim 1835 oyster
Pycnodonte sp.
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Pectinida - Limidae
"Lima (Lima) acutilineata" = Limatula acutilineata, "Lima (Lima) reticulata" = Lima reticulata
"Lima (Lima) acutilineata" = Limatula acutilineata Conrad 1858 file clam
Lima (Lima) acutilineata Conrad
"Lima (Lima) reticulata" = Lima reticulata Forbes 1845 file clam
Lima (Lima) reticulata Lyell & For
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
 Pectinida - Entoliidae
Syncyclonema simplicius scallop
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) sp. Meek 1864 scallop
Camptonectes (Comptonectes) sp.
 Trigoniida - Megatrigonioidae
Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam
Pterotrigonia (Scabrotrigonia) euf
 Pholadida - Corbulidae
Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
 Cardiida - Cardiidae
Trachycardium eufaulensis Conrad 1860 cockle
Trachycardium eufaulensis (Conrad)
Polychaeta
 Serpulimorpha -
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Echinoid sp. - originally entered as "Echinoidea sp."