Black Bluff [Porters Clay] - Nautiloidea (Paleocene to of the United States)

Where: Sumter County, Alabama (32.4° N, 88.0° W: paleocoordinates 35.5° N, 68.4° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Porters Creek Formation (Midway Group), Danian to Danian (66.0 - 59.2 Ma)

• STRATIGRAPHIC RELATIONS: From the Porters [Creek] Clay Fm (=Sucarnochee Clay) of the Midway Group. AGE: Early Paleocene. STRATIGRAPHIC POSITION: From unknown position in Porters Clay Fm.

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified claystone

• ENVIRONMENT: Not stated, but probably siliciclastic shallow shelf setting.
• SPECIFIC LITHOLOGY: Unknown, but presumably claystone. LITHIFICATION: Poorly lithified based on figured specimen.

Size class: macrofossils

Preservation: mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: State University of Iowa and Alabama Museum of Natural History.

Primary reference: A. K. Miller and M. L. Thompson. 1933. The nautiloid cephalopods of the Midway Group. Journal of Paleontology 7(3):298-324 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80975: authorized by Austin Hendy, entered by Austin Hendy on 24.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to Nautiloidea described in primary publication. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Nautilida - Hercoglossidae
Cimomia haltomi
Cimomia haltomi Aldrich 1931