AMo-7 Hatchetigbee (Eocene of the United States)

Where: Monroe County, Alabama (31.8° N, 87.4° W: paleocoordinates 33.8° N, 72.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bashi Member (Hatchetigbee Bluff Formation), Ypresian (56.0 - 47.8 Ma)

• None.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, fine-grained, glauconitic, sandy, calcareous marl

• None specific to this site. Lithology description for the Hatchetigbee in general.

Size class: mesofossils

Primary reference: L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13(1):1-602 [M. Patzkowsky/K. Layou/P. Mannion]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 80788: authorized by Arnold Miller, entered by Jocelyn Sessa on 08.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Nuculanidae
"Calorhadia pharcida" = Calorhadia (Calorhadia) pharcida
"Calorhadia pharcida" = Calorhadia (Calorhadia) pharcida Dall 1898 pointed nut clam
 Ostreida - Ostreidae
? Odontogryphaea "sp. A"
? Odontogryphaea "sp. A" Ihering 1903 oyster
 Cardiida - Veneridae
Macrocallista sylvaerupis, Pitar nuttalliopsis
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium microstria
Dentalium microstria Heilprin 1880 tusk shell
Gastropoda
 Cerithioidea - Turritellidae
Turritella gilberti
Turritella gilberti turret shell
 Sorbeoconcha - Rostellariidae
Calyptraphorus trinodiferus
 Neogastropoda - Volutidae
Athleta tuomeyi
 Sorbeoconcha - Naticidae
? Sigatica clarkeana, "? Euspira sabina" = Natica semilunata sabina
? Sigatica clarkeana Aldrich 1887 moon snail
"? Euspira sabina" = Natica semilunata sabina Palmer 1937 moon snail
 Heterostropha - Acteonidae
Tornatellaea bella
Tornatellaea bella Conrad 1860 snail