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

Where: Liberty County, Florida (30.4° N, 85.0° W: paleocoordinates 30.8° N, 81.3° W)

• 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: CC BY (attribution)

Taxonomic list

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