USGS Loc. 3423 - Jackson Bluff [Jackson Bluff Fm] (Pliocene of the United States)

Also known as FGS Station 1/967

Where: Leon County, Florida (30.4° N, 84.6° W)

• Paleocoordinates: 30.9° N, 83.5° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jackson Bluff Formation (Alum Bluff Group), Late/Upper Pliocene (3.6 - 2.6 Ma)

• Lower upper Miocene bed. Ecphora Zone of Choctawhatchee Formation, Alum Bluff Group. The Ecphora zone, from which the collection is derived, is typically exposed in the upper fossiliferous bed unconformably overlying the Chipola Formation at Alum Bluff, Apachicola River. The bed ranges in thickness from 15-25 ft at different places along the bluff. Late Miocene age based on recent lithostratigraphy. Local section name = Jackson Bluff, Basinal/regional section name = Leon. Placed in Jackson Bluff Fm (and hence Late Pliocene) by enterer.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; unlithified, shelly/skeletal, blue, sandy claystone

• No reported geologic or paleoenvironmental data. Probably shallow water siliciclastic depositional environment.
• The sediments comprising the Ecphora Zone consist of very fossiliferous, sandy clay, which is bluish where unweathered. Lithification data not reported, but all figured specimens appear to be free of matrix so an unlithified classification is assigned.

Size class: macrofossils

Reposited in the USNM

• Specimens are lodged in USNM collections. Collected by T.W. Vaughan (1900) and W.C. Mansfield (1925)

Primary reference: W. C. Mansfield. 1930. Miocene gastropods and scaphopods of the Choctawatchee Formation of Florida. Florida State Geological Survey Bulletin 3 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59487: authorized by Austin Hendy, entered by Austin Hendy on 03.04.2006, edited by Bethany Allen

Creative Commons license: CC0 (CC0)

Taxonomic list

• Probably exhaustive for Mollusca. Certainly good nomenclatural treatment.
Gastropoda
 Cerithioidea - Turritellidae
 Neotaenioglossa - Calyptraeidae
Bivalvia
 Pectinida - Pectinoidae
 Pectinida - Anomiidae
 Carditida - Astartidae
 Carditida - Carditidae
 Cardiida - Veneridae
 Cardiida - Tellinidae
 Cardiida - Semelidae
 Pholadida - Corbulidae
Gastropoda
 Cerithioidea - Turritellidae
Scaphopoda
 Gadilida - Gadilidae
Bivalvia
 Nuculanida - Nuculanidae
"Leda trochilia trochilia" = Nuculana1
"Leda trochilia trochilia" = Nuculana1 pointed nut clam
 Nuculida - Nuculidae
"Nucula proxima" = Nucula (Nucula) proxima1 Say 1820 Atlantic Nut Clam
Nucula taphria1 Dall 1898 nut clam
 Arcida - Arcidae
"Arca (Anadara) lienosa" = Anadara (Rasia) lienosa1, "Arca (Anadara) campsa" = Anadara campsa1, "Arca (Anadara) callicestosa" = Anadara callicestosa1
"Arca (Anadara) lienosa" = Anadara (Rasia) lienosa1 Say 1832 ark
"Arca (Anadara) campsa" = Anadara campsa1 Dall 1898 ark
"Arca (Anadara) callicestosa" = Anadara callicestosa1 Dall 1898 ark
 Arcida - Noetiidae
"Arca (Noetia) incile" = Noetia incile1
"Arca (Noetia) incile" = Noetia incile1 Say 1824 clam
 Arcida - Glycymerididae
Glycymeris americana1, "Glycymeris subovata" = Costaglycymeris subovata1, "Glycymeris pectinata" = Tucetona pectinata1
Glycymeris americana1 Defrance 1826 bittersweet clam
"Glycymeris subovata" = Costaglycymeris subovata1 Say 1824 clam
"Glycymeris pectinata" = Tucetona pectinata1 Gmelin 1791 clam
 Ostreida - Pteriidae
Pteria multangula1 pearl oyster
 Ostreida - Gryphaeidae
"Ostrea haitensis" = Hyotissa haitensis1
"Ostrea haitensis" = Hyotissa haitensis1 Sowerby 1850 oyster
 Ostreida - Ostreidae
 Pectinida - Pectinoidae
Amusium mortoni1 Ravenel 1844 scallop
 Pectinida - Anomiidae
Anomia simplex1 d'Orbigny 1845 jingle
 Pectinida - Plicatulidae
"Plicatula marginata" = Plicatula gibbosa1
"Plicatula marginata" = Plicatula gibbosa1 Lamarck 1801 scallop
 Pholadida - Corbulidae
"Corbula (Caryocorbula) aff. cuneata" = Caryocorbula cuneata1, Corbula (Caryocorbula) inaequalis1
"Corbula (Caryocorbula) aff. cuneata" = Caryocorbula cuneata1 Say 1824 clam
 Cardiida - Veneridae
"Callocardia (Agriopoma) sayana" = Pitar morrhuanus1, "Gafrarium (Gouldia) metastriatum" = Gouldia1, "Chione (Lirophora) xesta" = Lirophora1, "Chione (Lirophora) ulocyma" = Lirophora (Panchione) ulocyma1, Chione (Chione) erosa1, Chione (Chione) cortinaria1, Gemma magna1
"Callocardia (Agriopoma) sayana" = Pitar morrhuanus1 Dall 1902 venus clam
"Gafrarium (Gouldia) metastriatum" = Gouldia1 venus clam
"Chione (Lirophora) xesta" = Lirophora1 venus clam
"Chione (Lirophora) ulocyma" = Lirophora (Panchione) ulocyma1 Dall 1895 venus clam
Chione (Chione) cortinaria1 Rogers and Rogers 1847 venus clam
Gemma magna1 Dall 1903 venus clam
 Cardiida - Chamidae
Chama congregata1 Conrad 1833 jewel box
 Cardiida - Ungulinidae
 Cardiida - Mactridae
Mulinia congesta1 Conrad 1833 clam
Spisula "sp. A"1 Gray 1837 clam
 Cardiida - Semelidae
Semele bellastriata1 Conrad 1837 clam
Semele carinata1 Conrad 1830 clam
Semele purpurascens1 Gmelin 1791 clam
 Cardiida - Tellinidae
 Cardiida - Cardiidae
"Cardium (Cerastoderma) virginianum" = Planicardium virginianum1, Protocardia jacksonense1
"Cardium (Cerastoderma) virginianum" = Planicardium virginianum1 Conrad 1839 cockle
 Lucinida - Lucinidae
"Codakia (Jagonia) speciosa" = Ctena (Ctena) speciosa1, "Codakia (Jagonia) leonensis" = Ctena1, Phacoides (Bellucina) tuomeyi1, "Phacoides (Parvilucina) crenulatus" = Parvilucina crenulata1
"Codakia (Jagonia) speciosa" = Ctena (Ctena) speciosa1 Rogers and Rogers 1837 clam
"Codakia (Jagonia) leonensis" = Ctena1 clam
"Phacoides (Parvilucina) crenulatus" = Parvilucina crenulata1 Conrad 1840 clam
 Carditida - Crassatellidae
Crassinella lunulata1 Conrad 1834 clam
"Crassatellites (Crassatellites) gibbesii" = Eucrassatella (Eucrassatella) speciosa1 Adams 1854 clam
 Carditida - Carditidae
"Venericardia (Cyclocardia) granulata" = Cyclocardia granulata1 Say 1824 clam
 Carditida - Astartidae
Astarte aff. symmetrica1 Conrad 1834 clam
Gastropoda
 Heterostropha - Architectonicidae
"Architectonica granulata" = Architectonica nobilis
"Architectonica granulata" = Architectonica nobilis Röding 1798 sundial
 Trochoidea - Solariellidae
Solariella vaughani Mansfield 1930 snail
 Sorbeoconcha - Naticidae
Tectonatica pusilla Say 1822 moon snail
 Sorbeoconcha - Rissoidae
"Rissoina (Zebina) johnsoni" = Zebina
"Rissoina (Zebina) johnsoni" = Zebina snail
 Neogastropoda - Marginellidae
 Neogastropoda - Volutidae
"Aurinia mutabilis" = Volutifusus mutabilis2
"Aurinia mutabilis" = Volutifusus mutabilis2 Conrad 1834 volute
 Neogastropoda - Olividae
 Neogastropoda - Conidae
"Conus adversarius" = Conus (Contraconus) adversarius
"Conus adversarius" = Conus (Contraconus) adversarius Conrad 1840 cone shell
 Neogastropoda - Mangeliidae
"Mangilia gardnerae" = Cythara (Mangelia)
"Mangilia gardnerae" = Cythara (Mangelia) snail
 Neogastropoda - Cancellariidae
"Cancellaria (Trigonostoma) tenera" = Ventrilia tenerum
"Cancellaria (Trigonostoma) tenera" = Ventrilia tenerum Philippi 1848 snail
 Sorbeoconcha - Cerithiopsidae
 Sorbeoconcha - Vermetidae
Petaloconchus sculpturatus Lea 1846 worm shell
 Neotaenioglossa - Calyptraeidae
Calyptraea centralis Conrad 1841 Chinese hat snail
Crepidula plana Say 1822 slipper shell
 Cerithioidea - Turritellidae
 Vanikoroidea - Eulimidae
 Opisthobranchiata - Cylichnidae
Acteocina canaliculata Say 1826 barrel-bubble