Where: Monroe County, Alabama (31.5° N, 87.5° W)
• Paleocoordinates: 35.1° N, 70.3° W (Wright 2013)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Gosport Sand Formation (Claiborne Group), Bartonian (41.0 - 37.7 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 5335: authorized by Arnold Miller, entered by Karen Layou on 24.09.1999
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
Lirodiscus tellinoides Conrad 1833 clam | |
"Venericardia parva" = Venericardia (Pleuromeris) parva, "Venericardia alticostata" = Venericardia (Claibornicardia) alticostata, "Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia parva" = Venericardia (Pleuromeris) parva Lea 1833 clam
"Venericardia alticostata" = Venericardia (Claibornicardia) alticostata Conrad 1833 clam
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam | |
Bathytormus protextus Conrad 1832 clam | |
Linga pomilia Conrad 1833 clam | |
"Caryocorbula densata" = Corbula densata, "Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis, cf. Parmicorbula gibbosa, cf. Caestocorbula murchisonii
"Caryocorbula densata" = Corbula densata Conrad 1854 clam
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
cf. Parmicorbula gibbosa Lea 1833 clam
cf. Caestocorbula murchisonii Lea 1833 clam | |
Diplodonta ungulina Conrad 1833 clam | |
Callista perovata Conrad 1833 venus clam | |
Glycymeris trigonella Conrad 1833 clam
Glycymeris staminea Conrad 1833 clam | |
"Nucula ovula" = Nucula (Nucula) ovula
"Nucula ovula" = Nucula (Nucula) ovula Lea 1833 nut clam | |
Gastropoda | |
Retusa galba snail | |
Tenagodus vitis Conrad 1835 snail | |
Mesalia vetusta, "Turritella carinata" = Haustator carinata
Mesalia vetusta Conrad 1833 turret shell
"Turritella carinata" = Haustator carinata Lea 1833 turret shell | |
Crepidula dumosa Conrad 1834 slipper shell | |
Calyptraphorus velatus Conrad 1833 snail | |
"Athleta petrosus" = Athleta petrosa
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute | |
Agaronia alabamensis Conrad 1833 olive snail | |
Eopleurotoma sayi Lea 1833 turrid | |
Buccitriton sagenum Conrad 1833 true whelk | |
Serpulorbis squamulosus Conrad 1834 worm shell |