Little Stave Creek 3 (Gosport Sand, AL) (Eocene of the United States)

Where: Clarke County, Alabama (31.5° N, 87.9° W: paleocoordinates 32.1° N, 79.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Gosport Sand Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)

• "At each site, the horizon sampled was in the lower third of the exposure, approx. 2m above the base of the formation, but stratigraphic equivalence is undetermined."

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified, glauconitic, shelly/skeletal, calcareous sandstone and shale

• the gosport sand is a deposit of early late eocene (bartonian) age, and consists of 2-10m of extremely fossiliferous, unconsolidated, glauconitic, calcareous quartz sand, with occasional indurated ledges and thin lenses of carbonaceous shale and lignite.

Size class: mesofossils

Collection methods: bulk, mechanical, sieve,

• "Numbers of specimens reflect number of identifiable gastropod apices and total number of bivalve umbos; unidentifiable fragments were not counted."

Primary reference: E. A. CoBabe and W. D. Allmon. 1994. Effects of sampling on paleoecologic and taphonomic analyses in high-diversity fossil accumulations: an example from the Eocene Gosport Sand, Alabama. Lethaia 27:167-178 [A. Miller/K. Layou/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 5316: authorized by Arnold Miller, entered by Karen Layou on 22.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Sorbeoconcha - Naticidae
Sinum bilix Conrad 1833 moon snail
Sinum declive Conrad 1833 moon snail
Polinices sp. Monfort 1810 moon snail
Neverita limula Conrad 1833 moon snail
"Natica semilunata" = Natica (Naticarius) semilunata Lea 1833 moon snail
 Neogastropoda - Costellariidae
Conomitra fusoides Lea 1833 ribbed mitre
 Neogastropoda - Buccinidae
Buccitriton sagenum Conrad 1833 true whelk
 Neogastropoda - Volutidae
Athleta sayanus Conrad 1833 volute
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus
"Ficopsis penita" = Ficus fig shell
 Sorbeoconcha - Rostellariidae
Calyptraphorus velatus Conrad 1833 snail
 Cerithioidea - Turritellidae
Mesalia vetusta, "Turritella carinata" = Haustator carinata
Mesalia vetusta Conrad 1833 turret shell
"Turritella carinata" = Haustator carinata Lea 1833 turret shell
 Opisthobranchia - Retusidae
Bivalvia
 Pholadida - Corbulidae
"Caryocorbula densata" = Corbula densata Conrad 1854 clam
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
 Carditida - Carditidae
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
 Nuculida - Nuculidae
"Nucula ovula" = Nucula (Nucula) ovula, "Nucula magnifica" = Nucula (Nucula) magnifica, "Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula ovula" = Nucula (Nucula) ovula Lea 1833 nut clam
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam
Nucula magnifica "var."