ACof Bashi (Eocene of the United States)

Also known as ACof-1 of Toulmin, 1977

Where: Coffee County, Alabama (31.3° N, 86.1° W: paleocoordinates 33.1° N, 71.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

Environment/lithology: shallow subtidal; unlithified, phosphatic, muddy, calcareous sandstone

• unlithified calcareous, clayey sand, possibly phosphatic

Size class: mesofossils

Collection methods: bulk

• Gastropod shells were only counted if they contained the apex of the shell; bivalve shells were only counted if they contained the umbo

Primary reference: J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 89946: authorized by Jocelyn Sessa, entered by Laurie Eccles on 21.06.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Dendrophylliidae
Balanophyllia haleana Milne-Edwards and Haime 1848 stony coral
Bivalvia
 Nuculida - Nuculidae
Nucula "sp. 1" Lamarck 1799 nut clam
Nucula "sp. 2" Lamarck 1799 nut clam
"Nucula ovula" = Nucula (Nucula) ovula Lea 1833 nut clam
 Nuculanida - Nuculanidae
Calorhadia aldrichiana pointed nut clam
"Calorhadia pharcida" = Calorhadia (Calorhadia) pharcida Dall 1898 pointed nut clam
Saccella robusta pointed nut clam
 Arcida - Glycymerididae
Glycymeris idonea Conrad 1865 clam
Glycymeris idonea subsp.
 Ostreida - Ostreidae
Odontogryphaea sp. Ihering 1903 oyster
Odontogryphaea ? sp. A
 Lucinida - Lucinidae
Epilucina sp. Dall 1901 clam
Linga pomilia Conrad 1833 clam
Linga pomilia smithi
 Cardiida - Veneridae
 Cardiida - Tellinidae
Tellina greggi tellin clam
Tellina sp. Linnaeus 1758 tellin clam
 Pholadida - Corbulidae
Vokesula aldrichi Meyer 1885 clam
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
Venericardia hatcheplata Gardner and Bowles 1939 clam
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
 Dentaliida - Dentaliidae
Dentalium microstria Heilprin 1880 tusk shell
Gastropoda
 Cerithioidea - Turritellidae
Turritella gilberti turret shell
 Sorbeoconcha - Rostellariidae
 Neogastropoda - Nassariidae
 Neogastropoda - Buccinidae
 Neogastropoda - Fasciolariidae
 Neogastropoda - Raphitomidae
 Neogastropoda - Turridae
Coronia childreni Lea 1833 turrid
Coronia childreni var.
 Sorbeoconcha - Naticidae
Polinices sp. Monfort 1810 moon snail
Natica sp. Scopoli 1777 moon snail
 Opisthobranchia - Retusidae