ACh-3 Hatchetigbee (Eocene of the United States)

Where: Choctaw County, Alabama (32.1° N, 88.2° W: paleocoordinates 34.1° N, 73.7° 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, glauconitic, gray, green, calcareous sandstone

• Sandstone, grayish-green, glauconitic, calcareous, very fossiliferous; indurated into large spheroidal concretionary masses; contains a shell bed at the bottom.

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 80765: authorized by Arnold Miller, entered by Jocelyn Sessa on 06.05.2008, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
? Venericardia bashiplata Gardner and Bowles 1939 clam
 Pholadida - Corbulidae
Vokesula aldrichi Meyer 1885 clam
 Cardiida - Cardiidae
 Cardiida - Veneridae
 Cardiida - Ungulinidae
Gastropoda
 Sorbeoconcha - Ficidae
 Neogastropoda - Volutidae
 Neogastropoda - Nassariidae
cf. Bullia altilis Conrad 1832 snail
cf. Bullia altilis subglobosa
 Sorbeoconcha - Rostellariidae
 Sorbeoconcha - Naticidae
"Euspira sabina" = Natica semilunata sabina
"Euspira sabina" = Natica semilunata sabina Palmer 1937 moon snail
Chondrichthyes
 Selachii -
Selachii indet. shark
teeth
Pisces
  -
"Pisces indet." = Osteichthyes
"Pisces indet." = Osteichthyes Huxley 1880 bony fish
Vertebra
Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle