Where: Clarke County, Alabama (31.5° N, 87.9° W)
• Paleocoordinates: 35.2° N, 70.7° W (Wright 2013)
• 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
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: CC0 (CC0)
Taxonomic list
Gastropoda | |
Retusa galba snail | |
"Natica semilunata" = Natica (Naticarius) semilunata, Sinum bilix, Sinum declive, Polinices sp., Neverita limula
"Natica semilunata" = Natica (Naticarius) semilunata Lea 1833 moon snail
Sinum bilix Conrad 1833 moon snail
Sinum declive Conrad 1833 moon snail
Polinices sp. Monfort 1810 moon snail
Neverita limula Conrad 1833 moon snail | |
Conomitra fusoides Lea 1833 ribbed mitre | |
Athleta sayanus Conrad 1833 volute | |
Buccitriton sagenum Conrad 1833 true whelk | |
Calyptraphorus velatus Conrad 1833 snail | |
"Ficopsis penita" = Ficus
"Ficopsis penita" = Ficus fig shell | |
"Turritella carinata" = Haustator carinata, Mesalia vetusta
"Turritella carinata" = Haustator carinata Lea 1833 turret shell
Mesalia vetusta Conrad 1833 turret shell | |
Bivalvia | |
"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 | |
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis, "Caryocorbula densata" = Corbula densata, cf. Parmicorbula gibbosa, cf. Caestocorbula murchisonii
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
"Caryocorbula densata" = Corbula densata Conrad 1854 clam
cf. Parmicorbula gibbosa Lea 1833 clam
cf. Caestocorbula murchisonii Lea 1833 clam | |
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam |