USGS Loc. 2211 - Alum Bluff, lower bed (Miocene of the United States)

Where: Liberty County, Florida (30.4° N, 85.0° W)

• Paleocoordinates: 33.1° N, 77.6° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chipola Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)

• STRATIGRAPHIC POSITION: Lower bed. AGE: Direct date from 87Sr/86Sr isotope dating of fossils from elsewhere in Chipola Fm [=Burdigalian age].

• group of beds-level stratigraphic resolution

Environment/lithology: marine; unlithified, calcareous marl and unlithified, calcareous sandstone

• marls, sands, clays, for the most part unconsolidated, in places highly calcareous

Size class: macrofossils

Reposited in the USGS

Primary reference: J. R. Gardner. 1947. The Molluscan Fauna of the Alum Bluff Group of Florida. United States Geological Survey Professional Paper (142A-H)1-709 [A. Miller/K. Layou/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42443: authorized by Arnold Miller, entered by Karen Layou on 29.07.2004, edited by Pete Wagner

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
 Heterostropha - Mathildidae
Gegania acutissima snail
abundant
 Heterostropha -
Dolabella aldrichi snail
rare
 Heterostropha - Acteonidae
Acteon korphys Gardner 1947 snail
common
Sulcularia prosulcata snail
present
 Heterostropha - Ringiculidae
 Heterostropha - Architectonicidae
Architectonica chipolana sundial
present
 Epitonioidea - Epitoniidae
"Epitonium (Spiniscala) virginiae" = Scala (Spiniscala)
"Epitonium (Spiniscala) virginiae" = Scala (Spiniscala) wentletrap
rare
 Neotaenioglossa - Calyptraeidae
"Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum Dall 1892 slipper shell
rare
Crepidula plana Say 1822 slipper shell
present
Calyptraea centralis Conrad 1841 Chinese hat snail
present
 Sorbeoconcha - Rissoidae
Rissoina (Cibdezebina) browniana d'Orbigny 1845 snail
present
Rissoina vittata n. sp. Gardner 1947 snail
rare
 Sorbeoconcha - Naticidae
Natica (Natica) alticallosa, "Natica (Tectonatica) semen" = Tectonatica, "Natica (? Tectonatica) platabasis" = Tectonatica, "Polinices (Neverita) chipolanus" = Neverita chipolanus
Natica (Natica) alticallosa moon snail
present
"Natica (Tectonatica) semen" = Tectonatica moon snail
common
"Natica (? Tectonatica) platabasis" = Tectonatica moon snail
common
"Polinices (Neverita) chipolanus" = Neverita chipolanus Dall 1892 moon snail
abundant
 Sorbeoconcha - Strombidae
"Strombus aldrichi" = Persististrombus aldrichi
"Strombus aldrichi" = Persististrombus aldrichi Dall 1890 true conch
present
 Sorbeoconcha - Thersiteidae
Orthaulax gabbi Dall 1890 snail
common
 Sorbeoconcha - Cypraeidae
"Cypraea (Cypraeorbis) chilona" = Loxacypraea chilona, "Cypraea chilona n. sp." = Loxacypraea chilona
"Cypraea (Cypraeorbis) chilona" = Loxacypraea chilona Dall 1900 cowry
common
"Cypraea chilona n. sp." = Loxacypraea chilona Dall 1900 cowry
 Neogastropoda - Mitridae
Mitra (Pleioptygma) prodroma mitre shell
present
 Neogastropoda - Costellariidae
"Vexillum (Uromitra) mikkulum n. sp." = Uromitra, "Vexillum (Uromitra) scopuli" = Uromitra scopuli, Conomitra apalachee
"Vexillum (Uromitra) mikkulum n. sp." = Uromitra ribbed mitre
present
"Vexillum (Uromitra) scopuli" = Uromitra scopuli Maury 1910 ribbed mitre
common
Conomitra apalachee ribbed mitre
rare; ? in occurrence table
 Neogastropoda - Turbinellidae
"Vasum aff. engonatum" = Vasum haitensis, "Xancus chipolanus" = Turbinella
"Vasum aff. engonatum" = Vasum haitensis Sowerby 1850 snail
rare
"Xancus chipolanus" = Turbinella snail
rare
 Neogastropoda - Olividae
Olivella eleutheria n. sp. olive snail
abundant
 Neogastropoda - Cystiscidae
"Marginella (Gibberula) sp." = Gibberula Swainson 1840 snail
present
Marginella (Gibberula) chondra Gardner 1947 snail
common
Marginella (Persicula) calhounensis Maury 1910 snail
abundant
 Neogastropoda - Marginellidae
"Marginella (Egouena) eleutheria n. sp." = Prunum eleutheria Gardner 1947 margin shell
abundant; also M. (E.) eleutheria dasa (present)
"Marginella (Egouena) apalachee n. sp." = Prunum (Microspira) apalachee Gardner 1947 margin shell
common
Marginella (Egouena) capsa n. sp. Gardner 1947 margin shell
present
"Marginella (Egouena) lipara" = Prunum lipara Gardner 1947 margin shell
common; also M. (E.) lipara lepta (present)
Marginella (Serrata) eurystoma Gardner 1947 margin shell
present
Marginella (Serrata) critha Gardner 1947 margin shell
common
Marginella (Serrata) euancycla Gardner 1947 margin shell
present
Marginella (Serrata) nanna n. sp. Gardner 1947 margin shell
common
Marginella (Serrata) denticulatoides Maury 1910 margin shell
rare; ? in occurrence table
Marginella (Serrata) coloba Gardner 1947 margin shell
common; also M. (S.) coloba conoispira (common)
Marginella (Serrata) chipolana Maury 1910 margin shell
present
"Cypraeolina pyrenoides" = Marginella (Cypraeolina) margin shell
present
Marginella (Volvarina) oryzoides Gardner 1947 margin shell
common
 Neogastropoda - Buccinidae
Hesperisternia chipolana true whelk
rare
 Neogastropoda - Melongenidae
Busycon burnsii whelk
common
Melongena sculpturata snail
present
 Neogastropoda - Columbellidae
Mitrella alumen n. sp. dove shell
present
Mitrella perfervida dove shell
common
Mitrella pedana n. sp. Gardner 1947 dove shell
abundant
 Neogastropoda - Nassariidae
"Phos (Strongylocera) pedanus" = Pallacera costatus, "Uzita anisonema" = Nassarius (Uzita), "Uzita harrisi" = Nassarius (Uzita), "Uzita dasynema" = Nassarius (Uzita) dasynema, "Uzita cinclis" = Nassarius (Uzita) cinclis
"Phos (Strongylocera) pedanus" = Pallacera costatus Gabb 1873 snail
rare
"Uzita anisonema" = Nassarius (Uzita) snail
present
"Uzita harrisi" = Nassarius (Uzita) snail
abundant
"Uzita dasynema" = Nassarius (Uzita) dasynema Gardner 1944 snail
rare; also U. dasynema cesta (rare)
"Uzita cinclis" = Nassarius (Uzita) cinclis Gardner 1944 snail
present
 Neogastropoda - Clavatulidae
Clavatula panopla n. sp. snail
abundant
Clavatula eleutheria n. sp. snail
common
Clavatula grabaui snail
rare
Clavatula libertalis n. sp. snail
present
Clavatula compsa snail
rare
 Neogastropoda - Terebridae
"Terebra (Strioterebrum) langdoni" = Strioterebrum
"Terebra (Strioterebrum) langdoni" = Strioterebrum auger snail
common
 Neogastropoda - Conidae
Conus sulculus Dall 1896 cone shell
present
Conus demiurgus Dall 1903 cone shell
present
 Neogastropoda - Drilliidae
"Drillia" prion snail
common
 Neogastropoda - Clathurellidae
Glyphostoma tiarophoron n. sp. snail
present
 Neogastropoda - Mangeliidae
Cryoturris daidalea, ""Mangelia" louisae" = Cythara (Mangelia), ""Mangelia" klimakota n. sp." = Cythara (Mangelia), ""Mangelia" stypteria n. sp." = Cythara (Mangelia)
""Mangelia" louisae" = Cythara (Mangelia) snail
present; ? in occurrence table
""Mangelia" klimakota n. sp." = Cythara (Mangelia) snail
common
""Mangelia" stypteria n. sp." = Cythara (Mangelia) snail
rare
 Neogastropoda - Turridae
Polystira albidoides turrid
common
 Sorbeoconcha - Synceratidae
Syncera microgaza snail
present
 Sorbeoconcha - Tornidae
"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum
"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum Dall 1892 snail
present
 Sorbeoconcha - Caecidae
Caecum chipolanum Gardner 1947 snail
abundant
 Cerithioidea - Turritellidae
"Turritella (Torcula) dalli n. sp." = Turritella dalli, Turritella subgrundifera
"Turritella (Torcula) dalli n. sp." = Turritella dalli Gardner 1947 turret shell
present
Turritella subgrundifera Dall 1892 turret shell
common
 Cerithioidea - Litiopidae
Alaba chipolana Dall 1892 snail
common
 Cerithioidea - Modulidae
Modulus compactus snail
rare
 Architaenioglossa - Ampullinidae
Globularia fischeri Dall 1892 snail
common; ? in occurrence table
 Trochoidea - Trochidae
Chlorostoma (Omphalius) exolutum top snail
present; also C. (O.) exolutum limatum (present)
Calliostoma grammaticum Dall 1892 top snail
common
Calliostoma exile Dall 1892 top snail
rare
 Trochoidea - Skeneidae
 Trochoidea - Turbinidae
Astraea chipolana snail
rare
 Trochoidea - Phasianellidae
Tricolia affinis snail
prolific; T. affinis chipolana
Tricolia probrevis snail
common
 Lepetellida - Fissurellidae
Diodora chipolana Dall 1892 keyhole limpet
present
 Thecosomata - Cavoliniidae
Cuvierina columnella Rang 1827 snail
? in occurrence table
 Opisthobranchiata - Cylichnidae
Acteocina incisula barrel-bubble
abundant; also A. incisula curtoides (present)
Acteocina persimilis barrel-bubble
present
Scaphander langdoni snail
common
 Opisthobranchiata - Bullidae
Bulla striata Bruguiére 1792 snail
abundant
 Opisthobranchiata - Haminoeidae
Atys oedemata snail
present
"Atys (Aliculastrum) obscuratus" = Atys obscuratus Dall 1896 snail
present
Haminoea pompholyx snail
common [entered as Haminaea pompholyx]
 Neritoidea - Neritidae
Scaphopoda
 Dentaliida - Dentaliidae
"Dentalium (Antalis) chipolanum" = Antalis
"Dentalium (Antalis) chipolanum" = Antalis tusk shell
present
 Gadilida - Gadilidae
"Cadulus (Polyschides) lobion" = Polyschides
"Cadulus (Polyschides) lobion" = Polyschides tusk shell
common
Bivalvia
 Nuculanida - Nuculanidae
Nuculana chipolana pointed nut clam
abundant
 Pectinida - Anomiidae
 Pectinida - Pectinoidae
Spondylus chipolanus, "Pecten (Chlamys) chipolanus" = Lindapecten chipolanus, "Pecten (Chlamys) alumensis" = Antillipecten alumensis
Spondylus chipolanus Dall 1890 scallop
rare; ? in occurrence table
"Pecten (Chlamys) chipolanus" = Lindapecten chipolanus Dall 1898 scallop
present
"Pecten (Chlamys) alumensis" = Antillipecten alumensis Dall 1898 scallop
common
 Ostreida - Pteriidae
Pteria chipolana pearl oyster
present
 Ostreida - Ostreidae
"Ostrea rugifera" = Cubitostrea rugifera
"Ostrea rugifera" = Cubitostrea rugifera Dall 1898 oyster
prolific
 Arcida - Arcidae
Arca paratina, "Arca (Barbatia) marylandica" = Barbatia marylandica, "Arca (Diluvarca) mikkula n. sp." = Anadara (Diluvarca), "Arca (Diluvarca) staminata" = Anadara (Diluvarca)
Arca paratina Dall 1898 ark
present
"Arca (Barbatia) marylandica" = Barbatia marylandica Conrad 1840 clam
rare
"Arca (Diluvarca) mikkula n. sp." = Anadara (Diluvarca) ark
abundant
"Arca (Diluvarca) staminata" = Anadara (Diluvarca) ark
common
 Arcida - Glycymerididae
"Glycymeris subovata" = Costaglycymeris subovata
"Glycymeris subovata" = Costaglycymeris subovata Say 1824 clam
rare
 Mytilida - Crenellidae
Crenella minuscula clam
present
 Mytilida - Mytilidae
"Modiolus (Brachydontes) curtulus" = Brachidontes
"Modiolus (Brachydontes) curtulus" = Brachidontes mussel
rare
 Carditida - Carditidae
"Cardita (Carditamera) apotegea n. sp." = Carditamera, "Venericardia hadra" = Venericardia (Glyptoactis) hadra, Venericardia (Pleuromeris) tellia
"Cardita (Carditamera) apotegea n. sp." = Carditamera clam
common
"Venericardia hadra" = Venericardia (Glyptoactis) hadra Dall 1903 clam
present
Venericardia (Pleuromeris) tellia Dall 1903 clam
common
 Carditida - Crassatellidae
 Lucinida - Lucinidae
"Phacoides (Linga) glenni" = Here glenni, "Lucina janus" = Pegophysema janus, "Divaricella chipolana" = Divaricella (Divaricella) chipolana, "Phacoides (Cardiolucina) trisulcatus" = Cavilinga trisulcata, "Phacoides (Parvilucina) sphaeriolus" = Parvilucina, "Codakia (Jagonia) chipolana" = Ctena, "Phacoides (Miltha) chipolanus" = Miltha chipolana
"Phacoides (Linga) glenni" = Here glenni Dall 1903 clam
abundant
"Lucina janus" = Pegophysema janus Dall 1903 clam
present
"Divaricella chipolana" = Divaricella (Divaricella) chipolana Dall 1903 clam
common
"Phacoides (Cardiolucina) trisulcatus" = Cavilinga trisulcata Conrad 1841 clam
rare
"Phacoides (Parvilucina) sphaeriolus" = Parvilucina clam
common
"Codakia (Jagonia) chipolana" = Ctena clam
common
"Phacoides (Miltha) chipolanus" = Miltha chipolana Dall 1903 clam
rare
 Pholadida - Corbulidae
Corbula (Caryocorbula) franci n. sp. clam
present
"Corbula chipolana" = Varicorbula chipolana Gardner 1928 clam
common
 Cardiida - Sportellidae
 Cardiida - Ungulinidae
Diplodonta paralta Gardner 1926 clam
present
 Cardiida - Chamidae
Pseudochama chipolana jewel box
common
"Chama draconis" = Arcinella draconis Dall 1903 jewel box
rare
 Cardiida - Veneridae
"Transenella utica" = Transennella, Pitaria floridana, "Macrocallista acuminata" = Macrocallista (Macrocallista) acuminata, Chione sp., Chione chipolana, "Dosinia (Dosinidia) chipolana" = Dosinia chipolana, "Chione (Lirophora) burnsii" = Lirophora, Anomalocardia chipolana, "Venus langdoni" = Mercenaria langdoni, "Pitaria (Hysteroconcha) harrisi" = Hysteroconcha, "Grateloupia (Cytheriopsis) alumensis" = Cytheriopsis, "Gafrarium (Gouldia) erosum" = Gouldia
"Transenella utica" = Transennella venus clam
abundant
Pitaria floridana venus clam
common
"Macrocallista acuminata" = Macrocallista (Macrocallista) acuminata Dall 1903 venus clam
common
Chione sp. von Mühlfield 1811 venus clam
present
Chione chipolana Dall 1903 venus clam
common
"Dosinia (Dosinidia) chipolana" = Dosinia chipolana Dall 1903 venus clam
common
"Chione (Lirophora) burnsii" = Lirophora venus clam
common
Anomalocardia chipolana venus clam
rare
"Venus langdoni" = Mercenaria langdoni Dall 1900 quahog
abundant
"Pitaria (Hysteroconcha) harrisi" = Hysteroconcha venus clam
rare
"Grateloupia (Cytheriopsis) alumensis" = Cytheriopsis venus clam
present
"Gafrarium (Gouldia) erosum" = Gouldia venus clam
common
 Cardiida - Montacutidae
 Cardiida - Erycinidae
Erycina undosa clam
rare
Erycina scaptera n. sp. clam
present
 Cardiida - Cardiidae
"Cardium (Laevicardium) compressum" = Laevicardium compressum, "Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum, "Cardium (Trachycardium) parile" = Nemocardium parile, "Cardium (Fragum) aliculum" = Trigoniocardia (Trigoniocardia) aliculum
"Cardium (Laevicardium) compressum" = Laevicardium compressum Dall 1900 cockle
common
"Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum Dall 1900 cockle
common; C. (C.) chipolanum alumen n. subsp.
"Cardium (Trachycardium) parile" = Nemocardium parile Deshayes 1858 cockle
abundant
"Cardium (Fragum) aliculum" = Trigoniocardia (Trigoniocardia) aliculum Dall 1900 cockle
abundant
 Cardiida - Semelidae
Ervilia chipolana Dall 1898 clam
common
Abra lapochi n. sp. abra
common
Semele chipolana Dall 1900 clam
rare
 Cardiida - Tellinidae
"Metis chipolana" = Florimetis chipolana Dall 1900 tellin clam
rare
"Tellina (Arcopagia) aequistriata" = Serratina aequistriata Say 1824 tellin clam
rare; ? in occurrence table
Strigilla paraflexuosa n. sp. Gardner 1947 tellin clam
rare
Tellina (Moerella) hypolispa Dall 1900 tellin clam
common
Tellina (Scissula) lampra Dall 1900 tellin clam
present
Tellina (Moerella) ctenota n. sp. Gardner 1947 tellin clam
present
Tellina (Tellinella) chipolana Dall 1900 tellin clam
present
 Cardiida - Solecurtidae
Tagelus (Mesopleura) divisus Spengler 1794 clam
rare
 Cardiida - Donacidae
Donax trueloides n. sp. Gardner 1947 wedge clams
rare