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
 Lucinida - Lucinidae
"Lucina janus" = Pegophysema janus, "Phacoides (Cardiolucina) trisulcatus" = Cavilinga trisulcata, "Codakia (Jagonia) chipolana" = Ctena, "Phacoides (Linga) glenni" = Here glenni, "Phacoides (Parvilucina) sphaeriolus" = Parvilucina, "Divaricella chipolana" = Divaricella (Divaricella) chipolana, "Phacoides (Miltha) chipolanus" = Miltha chipolana
"Lucina janus" = Pegophysema janus Dall 1903 clam
present
"Phacoides (Cardiolucina) trisulcatus" = Cavilinga trisulcata Conrad 1841 clam
rare
"Codakia (Jagonia) chipolana" = Ctena clam
common
"Phacoides (Linga) glenni" = Here glenni Dall 1903 clam
abundant
"Phacoides (Parvilucina) sphaeriolus" = Parvilucina clam
common
"Divaricella chipolana" = Divaricella (Divaricella) chipolana Dall 1903 clam
common
"Phacoides (Miltha) chipolanus" = Miltha chipolana Dall 1903 clam
rare
 Pholadida - Corbulidae
"Corbula chipolana" = Varicorbula chipolana Gardner 1928 clam
common
Corbula (Caryocorbula) franci n. sp. clam
present
 Cardiida - Sportellidae
 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 - Donacidae
Donax trueloides n. sp. Gardner 1947 clam
rare
 Cardiida - Solecurtidae
Tagelus (Mesopleura) divisus Spengler 1794 clam
rare
 Cardiida - Semelidae
Abra lapochi n. sp. abra
common
Ervilia chipolana Dall 1898 clam
common
Semele chipolana Dall 1900 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
Strigilla paraflexuosa n. sp. Gardner 1947 tellin clam
rare
"Tellina (Arcopagia) aequistriata" = Tellina (Merisca) aequistriata Say 1824 tellin clam
rare; ? in occurrence table
"Metis chipolana" = Florimetis chipolana Dall 1900 tellin clam
rare
 Cardiida - Veneridae
"Pitaria (Hysteroconcha) harrisi" = Hysteroconcha, "Dosinia (Dosinidia) chipolana" = Dosinia chipolana, Chione sp., Chione chipolana, "Venus langdoni" = Mercenaria langdoni, Anomalocardia chipolana, "Chione (Lirophora) burnsii" = Lirophora, "Macrocallista acuminata" = Macrocallista (Macrocallista) acuminata, "Gafrarium (Gouldia) erosum" = Gouldia, Pitaria floridana, "Transenella utica" = Transennella, "Grateloupia (Cytheriopsis) alumensis" = Cytheriopsis
"Pitaria (Hysteroconcha) harrisi" = Hysteroconcha venus clam
rare
"Dosinia (Dosinidia) chipolana" = Dosinia chipolana Dall 1903 venus clam
common
Chione sp. von Mühlfield 1811 venus clam
present
Chione chipolana Dall 1903 venus clam
common
"Venus langdoni" = Mercenaria langdoni Dall 1900 quahog
abundant
Anomalocardia chipolana venus clam
rare
"Chione (Lirophora) burnsii" = Lirophora venus clam
common
"Macrocallista acuminata" = Macrocallista (Macrocallista) acuminata Dall 1903 venus clam
common
"Gafrarium (Gouldia) erosum" = Gouldia venus clam
common
Pitaria floridana venus clam
common
"Transenella utica" = Transennella venus clam
abundant
"Grateloupia (Cytheriopsis) alumensis" = Cytheriopsis venus clam
present
 Cardiida - Ungulinidae
Diplodonta paralta Gardner 1926 clam
present
 Cardiida - Chamidae
"Chama draconis" = Arcinella draconis Dall 1903 jewel box
rare
Pseudochama chipolana jewel box
common
 Cardiida - Montacutidae
 Cardiida - Erycinidae
Erycina undosa clam
rare
Erycina scaptera n. sp. clam
present
 Carditida - Crassatellidae
 Carditida - Carditidae
Venericardia (Pleuromeris) tellia, "Cardita (Carditamera) apotegea n. sp." = Carditamera, "Venericardia hadra" = Venericardia (Glyptoactis) hadra
Venericardia (Pleuromeris) tellia Dall 1903 clam
common
"Cardita (Carditamera) apotegea n. sp." = Carditamera clam
common
"Venericardia hadra" = Venericardia (Glyptoactis) hadra Dall 1903 clam
present
 Mytilida - Crenellidae
Crenella minuscula clam
present
 Mytilida - Mytilidae
"Modiolus (Brachydontes) curtulus" = Brachidontes
"Modiolus (Brachydontes) curtulus" = Brachidontes mussel
rare
 Pectinida - Pectinoidae
"Pecten (Chlamys) chipolanus" = Lindapecten chipolanus, "Pecten (Chlamys) alumensis" = Antillipecten alumensis, Spondylus chipolanus
"Pecten (Chlamys) chipolanus" = Lindapecten chipolanus Dall 1898 scallop
present
"Pecten (Chlamys) alumensis" = Antillipecten alumensis Dall 1898 scallop
common
Spondylus chipolanus Dall 1890 scallop
rare; ? in occurrence table
 Pectinida - Anomiidae
 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 (Diluvarca) mikkula n. sp." = Anadara (Diluvarca), "Arca (Diluvarca) staminata" = Anadara (Diluvarca), "Arca (Barbatia) marylandica" = Barbatia marylandica
Arca paratina Dall 1898 ark
present
"Arca (Diluvarca) mikkula n. sp." = Anadara (Diluvarca) ark
abundant
"Arca (Diluvarca) staminata" = Anadara (Diluvarca) ark
common
"Arca (Barbatia) marylandica" = Barbatia marylandica Conrad 1840 clam
rare
 Arcida - Glycymerididae
"Glycymeris subovata" = Costaglycymeris subovata
"Glycymeris subovata" = Costaglycymeris subovata Say 1824 clam
rare
 Nuculanida - Nuculanidae
Nuculana chipolana pointed nut clam
abundant
Gastropoda
 Architaenioglossa - Ampullinidae
Globularia fischeri Dall 1892 snail
common; ? in occurrence table
 Neotaenioglossa - Calyptraeidae
Calyptraea centralis Conrad 1841 slipper shell
present
Crepidula plana Say 1822 slipper shell
present
"Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum Dall 1892 slipper shell
rare
 Sorbeoconcha - Caecidae
Caecum chipolanum Gardner 1947 snail
abundant
 Sorbeoconcha - Tornidae
"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum
"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum Dall 1892 snail
present
 Sorbeoconcha - Synceratidae
Syncera microgaza snail
present
 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
 Sorbeoconcha - Thersiteidae
Orthaulax gabbi Dall 1890 snail
common
 Sorbeoconcha - Strombidae
"Strombus aldrichi" = Persististrombus aldrichi
"Strombus aldrichi" = Persististrombus aldrichi Dall 1890 true conch
present
 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
Marginella (Serrata) chipolana Maury 1910 margin shell
present
Marginella (Serrata) nanna n. sp. 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) eurystoma Gardner 1947 margin shell
present
Marginella (Serrata) euancycla Gardner 1947 margin shell
present
Marginella (Serrata) denticulatoides Maury 1910 margin shell
rare; ? in occurrence table
"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) eleutheria n. sp." = Prunum eleutheria Gardner 1947 margin shell
abundant; also M. (E.) eleutheria dasa (present)
"Marginella (Egouena) lipara" = Prunum lipara Gardner 1947 margin shell
common; also M. (E.) lipara lepta (present)
"Cypraeolina pyrenoides" = Marginella (Cypraeolina) margin shell
present
 Neogastropoda - Buccinidae
Hesperisternia chipolana true whelk
rare
 Neogastropoda - Melongenidae
Melongena sculpturata snail
present
Busycon burnsii whelk
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 cinclis" = Nassarius (Uzita) cinclis, "Uzita dasynema" = Nassarius (Uzita) dasynema, "Phos (Strongylocera) pedanus" = Pallacera costatus
"Uzita anisonema" = Nassarius (Uzita) snail
present
"Uzita harrisi" = Nassarius (Uzita) snail
abundant
"Uzita cinclis" = Nassarius (Uzita) cinclis Gardner 1944 snail
present
"Uzita dasynema" = Nassarius (Uzita) dasynema Gardner 1944 snail
rare; also U. dasynema cesta (rare)
"Phos (Strongylocera) pedanus" = Pallacera costatus Gabb 1873 snail
rare
 Neogastropoda - Olividae
Olivella eleutheria n. sp. olive snail
abundant
 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 - Conidae
Conus sulculus Dall 1896 cone shell
present
Conus demiurgus Dall 1903 cone shell
present
 Neogastropoda - Drilliidae
"Drillia" prion snail
common
 Neogastropoda - Terebridae
"Terebra (Strioterebrum) langdoni" = Strioterebrum
"Terebra (Strioterebrum) langdoni" = Strioterebrum auger snail
common
 Neogastropoda - Clathurellidae
Glyphostoma tiarophoron n. sp. snail
present
 Neogastropoda - Mangeliidae
""Mangelia" louisae" = Cythara (Mangelia), ""Mangelia" klimakota n. sp." = Cythara (Mangelia), ""Mangelia" stypteria n. sp." = Cythara (Mangelia), "Cryoturris daidalea" = Kurtziella (Cryoturris)
""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
"Cryoturris daidalea" = Kurtziella (Cryoturris) snail
rare
 Neogastropoda - Turridae
Polystira albidoides turrid
common
 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 - Turbinellidae
"Xancus chipolanus" = Turbinella, "Vasum aff. engonatum" = Vasum haitensis
"Xancus chipolanus" = Turbinella snail
rare
"Vasum aff. engonatum" = Vasum haitensis Sowerby 1850 snail
rare
 Neogastropoda - Mitridae
Mitra (Pleioptygma) prodroma mitre shell
present
 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 - Rissoidae
Rissoina vittata n. sp. Gardner 1947 snail
rare
Rissoina (Cibdezebina) browniana d'Orbigny 1845 snail
present
 Cerithioidea - Litiopidae
Alaba chipolana Dall 1892 snail
common
 Cerithioidea - Modulidae
Modulus compactus snail
rare
 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
 Epitonioidea - Epitoniidae
"Epitonium (Spiniscala) virginiae" = Scala (Spiniscala)
"Epitonium (Spiniscala) virginiae" = Scala (Spiniscala) wentletrap
rare
 Trochoidea - Trochidae
Calliostoma exile Dall 1892 top snail
rare
Calliostoma grammaticum Dall 1892 top snail
common
Chlorostoma (Omphalius) exolutum top snail
present; also C. (O.) exolutum limatum (present)
 Trochoidea - Turbinidae
Astraea chipolana snail
rare
 Trochoidea - Skeneidae
 Trochoidea - Phasianellidae
Tricolia affinis snail
prolific; T. affinis chipolana
Tricolia probrevis snail
common
 Lepetellida - Fissurellidae
Diodora chipolana Dall 1892 snail
present
 Neritoidea - Neritidae
 Opisthobranchia - Haminoeidae
Haminoea pompholyx snail
common [entered as Haminaea pompholyx]
Atys oedemata snail
present
"Atys (Aliculastrum) obscuratus" = Atys obscuratus Dall 1896 snail
present
 Opisthobranchia - Bullidae
Bulla striata Bruguiére 1792 snail
abundant
 Opisthobranchia - Cylichnidae
Acteocina incisula barrel-bubble
abundant; also A. incisula curtoides (present)
Acteocina persimilis barrel-bubble
present
Scaphander langdoni snail
common
 Thecosomata - Cavoliniidae
Cuvierina columnella Rang 1827 snail
? in occurrence table
 Heterostropha - Architectonicidae
Architectonica chipolana sundial
present
 Heterostropha - Acteonidae
Acteon korphys Gardner 1947 snail
common
Sulcularia prosulcata snail
present
 Heterostropha - Ringiculidae
 Heterostropha -
Dolabella aldrichi snail
rare
 Heterostropha - Mathildidae
Gegania acutissima snail
abundant