Where: Calhoun County, Florida (30.4° N, 85.2° W)
• Paleocoordinates: 33.1° N, 77.8° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chipola Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)
• AGE: Direct date from 87Sr/86Sr isotope dating of fossils from elsewhere in Chipola Fm [=Burdigalian age].
• formation-level stratigraphic resolution
Environment/lithology: marine; unlithified, calcareous marl and unlithified, calcareous sandstone
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 42250: authorized by Arnold Miller, entered by Karen Layou on 27.07.2004, edited by Austin Hendy
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
"Glycymeris subovata" = Costaglycymeris subovata
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"Arca umbonata" = Lamarcka imbricata, "Arca (Diluvarca) latidentata" = Anadara (Diluvarca), "Arca (Diluvarca) hypomela" = Anadara (Diluvarca), "Arca (Diluvarca) acompsa" = Anadara (Diluvarca), "Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana, "Arca (Barbatia) marylandica" = Barbatia marylandica
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana Dall 1898 ark common; A. (D.) santaroasana geraetera n. subsp. (common)
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"Ostrea rugifera" = Cubitostrea rugifera
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"Ostrea haitensis" = Hyotissa haitensis
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Amusium (Amusium) precursor, "Pecten (Chlamys) condylomatus" = Lyropecten condylomatus, Pecten burnsii, "Pecten (Chlamys) chipolanus" = Lindapecten chipolanus, "Pecten (Chlamys) acanikos" = Lindapecten acanikos, Spondylus chipolanus
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"Venericardia hadra" = Venericardia (Glyptoactis) hadra, "Cardita (Carditamera) apotegea" = Carditamera
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"Crassatellites (Scambula) chipolanus" = Kalolophus chipolanus
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"Phacoides (Linga) glenni" = Here glenni, "Phacoides (Miltha) heilprini n. sp." = Armimiltha heilprini, "Lucina janus" = Pegophysema janus, "Phacoides (Parvilucina) sphaeriolus" = Parvilucina
"Phacoides (Parvilucina) sphaeriolus" = Parvilucina clam common; also P. (P.) sphaeriolus angaleus (present)
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Callocardia (Agriopoma) sincera, Pitaria floridana, "Macrocallista (Paradione) maculata" = Macrocallista maculata, "Antigona (Ventricola) cf. blandiana" = Ventricolaria blandiana, "Antigona caesarina" = Periglypta caesarina, Chione chipolana, "Chione (Lirophora) burnsii" = Lirophora, "Dosinia (Dosinidia) chipolana" = Dosinia chipolana
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"Chama draconis" = Arcinella draconis, Pseudochama chipolana
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"Psammobia bowdichi" = Gari (Psammobia)
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"Cardium (Trachycardium) virile" = Trachycardium, "Cardium (Trachycardium) inconspicuum" = Trachycardium, "Cardium (Trachycardium) cestum" = Trachycardium (Phlogocardia) cestum, "Cardium (Laevicardium) compressum" = Laevicardium compressum, "Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum
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"Corbula chipolana" = Varicorbula chipolana, Corbula (Caryocorbula) semenoides
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Gastropoda | |
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Crepidula plana, "Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum
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"Turritella (? Torcula) mixta" = Torcula, "Turritella (? Torcula) chipolana" = Torcula, Turritella subgrundifera, "Turritella (Torcula) dalli" = Turritella dalli
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"Semicassis (Tylocassis) aldrichi" = Semicassis aldrichi
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Ficus eopapyratia n. sp.
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"Phos (Strongylocera) chipolanus" = Pallacera chipolanus
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Cancellaria ancycla n. sp.
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"Xancus chipolanus" = Turbinella, "Vasum aff. engonatum" = Vasum haitensis
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"Oliva liodes" = Oliva (Omogymna) liodes, Oliva (Omogymna) martensii
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Murex (Murex) chipolanus, "Typhis linguiferus" = Siphonochelus (Laevityphis) linguiferus
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Marginella (Serrata) coloba, Marginella (Serrata) xanthophaes, Marginella (Serrata) critha, "Marginella (Egouena) lipara" = Prunum lipara
Marginella (Serrata) coloba Gardner 1947 margin shell present; also M. (S.) coloba conoispira (rare)
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"Strigatella isabellae" = Lyria (Enaeta) isabellae
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"Strombus aldrichi" = Persististrombus aldrichi, "Strombus chipolanus" = Persististrombus chipolanus
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"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum
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Sinum chipolanum, "Natica (Naticarius) precursor" = Naticarius precursor, Natica (Natica) alticallosa, "Natica (Tectonatica) semen" = Tectonatica, "Natica (? Tectonatica) platabasis" = Tectonatica, Polinices demicryptus, "Polinices (Neverita) chipolanus" = Neverita chipolanus
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Cirsotrema cirritum Duerr 2004 wentletrap |