AMo-4 Gosport (Eocene of the United States)

Where: Monroe County, Alabama (31.5° N, 87.6° W: paleocoordinates 32.1° N, 78.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• None.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, glauconitic, sandy sandstone

• None.

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 81278: 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
 Scleractinia - Caryophylliidae
 Scleractinia - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
Gastropoda
 Neotaenioglossa - Calyptraeidae
Crepidula lirata Conrad 1833 slipper shell
 Cerithioidea - Siliquariidae
Tenagodus vitis Conrad 1835 snail
 Cerithioidea - Turritellidae
Mesalia vetusta Conrad 1833 turret shell
Turritella ghigna turret shell
Turritella obruta Conrad 1833 turret shell
"Turritella carinata" = Haustator carinata Lea 1833 turret shell
 Sorbeoconcha - Rostellariidae
Calyptraphorus velatus Conrad 1833 snail
 Neogastropoda - Olivellidae
Agaronia alabamensis Conrad 1833 snail
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
 Neogastropoda - Buccinidae
Penion delabechii Lea 1833 true whelk
Buccitriton sagenum Conrad 1833 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
 Neogastropoda - Nassariidae
Bullia altilis Conrad 1832 snail
Bullia altilis subglobosa
 Neogastropoda - Melongenidae
Levifusus trabeatus Conrad 1858 snail
 Neogastropoda - Costellariidae
Conomitra fusoides Lea 1833 ribbed mitre
 Neogastropoda - Volutidae
Caricella pyruloides Conrad 1832 volute
Bullata semen Lea 1833 volute
Athleta sayanus Conrad 1833 volute
 Sorbeoconcha - Naticidae
Euspira aldrichi moon snail
Neverita limula Conrad 1833 moon snail
Sinum bilix Conrad 1833 moon snail
 Sorbeoconcha - Vitrinellidae
 Heterostropha - Architectonicidae
"Architectonica alveata" = Architectonica (Stellaxis) alveatum
"Architectonica alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
 Opisthobranchia - Retusidae
Bivalvia
 Arcida - Glycymerididae
Glycymeris staminea Conrad 1833 clam
Glycymeris trigonella Conrad 1833 clam
16 Glycymeris trigonella minor
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
 Ostreida - Ostreidae
Crassostrea alabamiensis Lea 1833 oyster
 Lucinida - Lucinidae
Eomiltha pandata Conrad 1833 clam
Linga pomilia Conrad 1833 clam
2 Linga pomilia alveata
 Pholadida - Corbulidae
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
 Cardiida - Erycinidae
"Mactropsis aequorea" = Erycina aequorea
"Mactropsis aequorea" = Erycina aequorea Conrad 1833 clam
 Cardiida - Veneridae
Callista perovata Conrad 1833 venus clam
"Callista mortoni" = Costacallista mortoni Conrad 1834 venus clam
Callista aequorea Conrad 1833 venus clam
"Grateloupia hydana" = Cytheriopsis hydana Conrad 1865 venus clam
 Cardiida - Ungulinidae
Diplodonta ungulina Conrad 1833 clam
 Cardiida - Mactridae
Spisula parilis Conrad 1833 clam
 Carditida - Astartidae
Lirodiscus tellinoides Conrad 1833 clam
 Carditida - Carditidae
"Venericardia parva" = Venericardia (Pleuromeris) parva, "Venericardia alticostata" = Venericardia (Claibornicardia) alticostata, "Venericardia claiboplata" = Venericardia carolinensis, "Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia parva" = Venericardia (Pleuromeris) parva Lea 1833 clam
"Venericardia alticostata" = Venericardia (Claibornicardia) alticostata Conrad 1833 clam
"Venericardia claiboplata" = Venericardia carolinensis Conrad 1848 clam
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
 Carditida - Crassatellidae
"Crassatella alta" = Crassatella uvasana Conrad 1855 clam
Bathytormus protextus Conrad 1832 clam
 Nuculida - Nuculidae
"Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam
 Nuculanida - Nuculanidae
"Nuculana coelata" = Leda coelata
"Nuculana coelata" = Leda coelata Hinds 1843 pointed nut clam
Scaphopoda
 Dentaliida - Dentaliidae
Chondrichthyes
 Myliobatiformes - Myliobatidae
Myliobatidae indet. Bonaparte 1838 eagle ray
Myliobatis sp. Cuvier 1816 eagle ray
sp. 2
Rhinoptera sp. Cuvier 1829 cownose ray
 Myliobatiformes - Aetobatidae
"Aetobatis sp." = Aetobatus
"Aetobatis sp." = Aetobatus Blainville 1816 stingray
 Rhinopristiformes - Pristidae
Pristis sp. Linck 1790 sawfish
 Carcharhiniformes - Scyliorhinidae
Abdounia minutissima Winkler 1874 cat shark
 Carcharhiniformes - Carcharhinidae
Carcharhinus mancinae Ebersole et al. 2019 requiem shark
Scoliodon conecuhensis Cappetta and Case 2016 requiem shark
 Carcharhiniformes - Sphyrnidae
"Negaprion gilmorei" = Sphyrna gilmorei
"Negaprion gilmorei" = Sphyrna gilmorei Leriche 1942 hammerhead shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo eaglesomei White 1926 tiger shark
Galeocerdo clarkensis White 1956 tiger shark
 Lamniformes - Odontaspididae
Odontaspididae indet., "Jaekelotodus robustus" = Jaekelotodus robusta
Odontaspididae indet. Müller and Henle 1839 sand tiger shark
"Jaekelotodus robustus" = Jaekelotodus robusta Leriche 1905 sand tiger shark
 Lamniformes - Lamnidae
Macrorhizodus praecursor Leriche 1905 mackerel shark
 Lamniformes - Mitsukurinidae
Striatolamia macrota Agassiz 1838 goblin shark
Actinopteri
 Tetraodontiformes - Diodontidae