Where: Washington County, Alabama (31.1° N, 87.9° W: paleocoordinates 31.8° N, 79.1° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Gosport Sand Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)
• About 15 to 18 feet of Gosport Sand is exposed, overlain by the lower part of the Moodys Branch Formation containing Periarchus lyelli, and underlain by the top part of the Lisbon Formation containing Cubitostrea sellaeformis. The upper part of the Gosport Sand is exposed to best advantage and contains abundant well preserved shells of a diversified molluscan fauna.
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; unlithified, glauconitic, sandy sandstone
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 81282: authorized by Arnold Miller, entered by Jocelyn Sessa on 16.06.2008, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
cf. Discotrochus orbignianus stony coral | |
Flabellum cuneiforme Lonsdale 1845 stony coral | |
Endopachys maclurii Lea 1833 stony coral | |
Gastropoda | |
Solariella stalagmium Conrad 1833 snail | |
Cirsotrema nassulum Conrad 1854 wentletrap | |
"Calyptraea aperta" = Calyptraea (Trochita) aperta, Crepidula lirata
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
Crepidula lirata Conrad 1833 slipper shell | |
Mesalia vetusta Conrad 1833 turret shell
Turritella ghigna turret shell | |
Calyptraphorus velatus Conrad 1833 snail | |
Agaronia alabamensis Conrad 1833 snail | |
Ancilla staminea Conrad 1832 olive snail | |
cf. Bolis lisboa true whelk
Lacinia alveata Conrad 1833 true whelk | |
Lirofusus thoracicus snail
Papillina papillata snail | |
Turricula plenta snail | |
Coronia childreni Lea 1833 turrid | |
"Murex engonatus" = Hexaplex (Hexaplex) engonatus
"Murex engonatus" = Hexaplex (Hexaplex) engonatus Conrad 1833 murex snail | |
Caricella pyruloides Conrad 1832 volute
Athleta sp. Conrad 1853 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute | |
Polinices sp., ""Natica" semilunata" = Natica (Naticarius) semilunata, "Euspira leana" = Natica semilunata leana
Polinices sp. Monfort 1810 moon snail
""Natica" semilunata" = Natica (Naticarius) semilunata Lea 1833 moon snail
"Euspira leana" = Natica semilunata leana Palmer 1937 moon snail | |
Cyclostremiscus exacuus snail | |
Architectonica ornata Harris and Palmer 1947 sundial
Architectonica elaborata Conrad 1833 sundial | |
Retusa galba snail | |
Bivalvia | |
cf. Glycymeris idonea Conrad 1865 clam
Glycymeris staminea Conrad 1833 clam | |
Chlamys spp. Röding 1798 scallop
Chlamys deshayesii Lea 1833 scallop | |
Pteria limula Conrad 1833 pearl oyster | |
cf. Crassostrea alabamiensis, "Alectryonia johnsoni" = Ostrea (Alectryonia)
cf. Crassostrea alabamiensis Lea 1833 oyster
"Alectryonia johnsoni" = Ostrea (Alectryonia) oyster | |
cf. Caestocorbula murchisonii, Corbula sp., "Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis
cf. Caestocorbula murchisonii Lea 1833 clam
Corbula sp. Bruguière 1789 clam
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam | |
Callista aldrichi venus clam
Callista perovata Conrad 1833 venus clam
"Callista mortoni" = Costacallista mortoni Conrad 1834 venus clam
Callista aequorea Conrad 1833 venus clam | |
Diplodonta ungulina Conrad 1833 clam | |
Tellina alta Conrad 1833 tellin clam
cf. Macoma danai Harris 1919 tellin clam | |
Gari ebora clam | |
Lirodiscus tellinoides Conrad 1833 clam | |
"Venericardia alticostata" = Venericardia (Claibornicardia) alticostata, "Venericardia claiboplata" = Venericardia carolinensis, "Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia alticostata" = Venericardia (Claibornicardia) alticostata Conrad 1833 clam
"Venericardia claiboplata" = Venericardia carolinensis Conrad 1848 clam
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam | |
"Crassatella alta" = Crassatella uvasana, Bathytormus protextus
"Crassatella alta" = Crassatella uvasana Conrad 1855 clam
Bathytormus protextus Conrad 1832 clam | |
"Nucula ovula" = Nucula (Nucula) ovula
"Nucula ovula" = Nucula (Nucula) ovula Lea 1833 nut clam | |
Scaphopoda | |
Dentalium blandum tusk shell
Dentalium thalloides tusk shell | |
Echinoidea | |
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Gnathostomata | |
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Chondrichthyes | |
Striatolamia macrota Agassiz 1838 goblin shark |