LIttle Stave Creek 4 (Gosport Sand, AL) (Eocene of the United States)

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

• 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 5318: authorized by Arnold Miller, entered by Karen Layou on 22.09.1999

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
  -
Gastropoda "sp. 1" Cuvier 1795 snail
Gastropoda sp. 1
Gastropoda "sp. 2" Cuvier 1795 snail
Gastropoda sp. 2
 Trochoidea - Solariellidae
Solariella stalagmium Conrad 1833 snail
 Heterostropha - Architectonicidae
Architectonica elaborata Conrad 1833 sundial
 Opisthobranchiata - Retusidae
 Sorbeoconcha - Naticidae
"Natica semilunata" = Natica (Naticarius) semilunata Lea 1833 moon snail
Sinum declive Conrad 1833 moon snail
Neverita limula Conrad 1833 moon snail
 Neogastropoda - Turridae
Eopleurotoma sayi Lea 1833 turrid
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
Agaronia alabamensis Conrad 1833 olive snail
 Neogastropoda - Costellariidae
Conomitra fusoides Lea 1833 ribbed mitre
Uromitra gracilis Lea 1941 ribbed mitre
 Neogastropoda - Volutidae
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Caricella bolaris Conrad 1833 volute
Bullata larvata Conrad 1833 volute
Bullata semen Lea 1833 volute
 Neogastropoda - Buccinidae
Buccitriton sagenum Conrad 1833 true whelk
Penion bellus Conrad 1833 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
 Neogastropoda - Melongenidae
 Sorbeoconcha - Rostellariidae
Calyptraphorus velatus Conrad 1833 snail
 Cerithioidea - Turritellidae
"Turritella carinata" = Haustator carinata Lea 1833 turret shell
Mesalia vetusta Conrad 1833 turret shell
Turritella apita de Gregorio 1890 turret shell
 Neotaenioglossa - Calyptraeidae
Crepidula dumosa Conrad 1834 slipper shell
Crepidula lirata Conrad 1833 slipper shell
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana coelata" = Leda coelata
"Nuculana coelata" = Leda coelata Hinds 1843 pointed nut clam
 Nuculida - Nuculidae
"Nucula ovula" = Nucula (Nucula) ovula, "Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula ovula" = Nucula (Nucula) ovula Lea 1833 nut clam
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam
 Pholadida - Corbulidae
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
 Cardiida - Veneridae
"Callista mortoni" = Costacallista mortoni Conrad 1834 venus clam
Callista aequorea Conrad 1833 venus clam
Pitar nuttali Conrad 1834 venus clam
Callista lisbonensis venus clam
Callista lisbonensis perovata
Callista perovata Conrad 1833 venus clam
 Cardiida - Ungulinidae
Diplodonta ungulina Conrad 1833 clam
 Cardiida - Mactridae
Spisula parilis Conrad 1833 clam
 Cardiida - Tellinidae
"Tellina papyria" = Tellina (Eurytellina) papyria
"Tellina papyria" = Tellina (Eurytellina) papyria Conrad 1833 tellin clam
 Lucinida - Lucinidae
Linga pomilia Conrad 1833 clam
"Lucina dolabra" = Recurvella dolabra Conrad 1833 clam
Lucina sp. Bruguière 1797 clam
Eomiltha pandata Conrad 1833 clam
 Carditida - Astartidae
Lirodiscus tellinoides Conrad 1833 clam
 Carditida - Crassatellidae
Bathytormus protextus Conrad 1832 clam
 Carditida - Carditidae
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda, "Venericardia alticostata" = Venericardia (Claibornicardia) alticostata, "Venericardia parva" = Venericardia (Pleuromeris) parva
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
"Venericardia alticostata" = Venericardia (Claibornicardia) alticostata Conrad 1833 clam
"Venericardia parva" = Venericardia (Pleuromeris) parva Lea 1833 clam
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop
 Ostreida - Ostreidae
Crassostrea alabamiensis Lea 1833 oyster
 Arcida - Arcidae
Barbatia rhomboidella Lea 1833 clam
 Arcida - Glycymerididae
Glycymeris minor clam
Glycymeris trigonella minor
Glycymeris sp. Da Costa 1778 clam
Glycymeris trigonella Conrad 1833 clam
Glycymeris idonea Conrad 1865 clam
Glycymeris staminea Conrad 1833 clam