Sohl and Koch OFR # 24 (Cretaceous of the United States)

Also known as Garrett Cr; USGS # 32319

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, lower Member (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.

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, glauconitic, silty 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 4115: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Deuteropoda
  -
Malacostraca indet. Latreille 1802
Crab parts
Bivalvia
 Trigoniida - Megatrigonioidae
Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam
Pterotrigonia (Scabrotrigonia) euf
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
 Cardiida - Cardiidae
Granocardium (Granocardium) kummeli cockle
Granocardium (Granocardium) kummel
Trachycardium eufaulensis Conrad 1860 cockle
Trachycardium eufaulensis (Conrad)
 Ostreida - Gryphaeidae
Pycnodonte vesicularis Lamarck 1806 oyster
Pycnodonte vesicularis Lamarck
 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"
 Arcida - Glycymerididae
Glycymeris rotundata clam
Glycymeris rotundata (Gabb)
 Mytilida - Crenellidae
Crenella serica Conrad 1860 clam
Crenella serica Conrad
Echinoidea
 Cassiduloida -
"Hardouinia sp." = Harduinia
"Hardouinia sp." = Harduinia d'Archiac and Haime 1853 sea urchin
Hardouinea sp.