Where: Calhoun County, Florida (30.4° N, 85.2° W: paleocoordinates 30.8° N, 81.5° W)
• 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 42290: authorized by Arnold Miller, entered by Karen Layou on 27.07.2004, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
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Atys (Roxaniella) gracilis, "Atys (Aliculastrum) obscuratus" = Atys obscuratus
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Acteocina incisula barrel-bubble includes A. incisula curtoides (present) and A. incisula kolos (common)
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"Volvula oxytata" = Volvulella (Volvulella) oxytata
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Crepidula fornicata, Crepidula plana, "Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum, Calyptraea centralis
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Sigatica caractica, Sinum chipolanum, "Polinices (Neverita) chipolanus" = Neverita chipolanus, "Natica (Tectonatica) semen" = Tectonatica, "Natica (? Tectonatica) platabasis n. sp." = Tectonatica, "Natica (Naticarius) precursor" = Naticarius precursor, Natica (Natica) alticallosa
"Natica (Naticarius) precursor" = Naticarius precursor Gardner 1947 moon snail abundant; V. smithvillensis petropolitana
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"Strombus aldrichi" = Persististrombus aldrichi, "Strombus chipolanus" = Persististrombus chipolanus
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"Typhis (Talityphis) alatus" = Typhina alata, "Murex (Murex) dasus" = Murex (Murex) gilli, "Murex (Chicoreus) folidodes" = Chicoreus (Chicoreus) folidodes, "Paziella (Dallimurex) fusinoides n. sp." = Poirieria (Panamurex) fusinoides, "Paziella (Dallimurex) lychnia" = Poirieria (Panamurex) lychnia, "Muricopsis laccopoia" = Poirieria (Panamurex) laccopoia
"Paziella (Dallimurex) fusinoides n. sp." = Poirieria (Panamurex) fusinoides Gardner 1947 murex snail rare
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"Cypraeolina pyrenoides" = Marginella (Cypraeolina), "Marginella (Egouena) lipara" = Prunum lipara, "Marginella (Egouena) eleutheria" = Prunum eleutheria, Marginella (Serrata) eurystoma, Marginella (Serrata) euancycla, Marginella (Serrata) critha, Marginella (Serrata) chipolana, Marginella (Serrata) xanthophaes n. sp., Marginella (Serrata) coloba
"Marginella (Egouena) lipara" = Prunum lipara Gardner 1947 margin shell common; also M. (E.) lipara lepta (rare)
"Marginella (Egouena) eleutheria" = Prunum eleutheria Gardner 1947 margin shell rare; M. (E.) eleutheria dasa n. sub.sp.
Marginella (Serrata) coloba Gardner 1947 margin shell present; also M. (S.) coloba conoispira (rare)
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"Tritiaria (Antillophos) dictyola n. sp." = Antillophos
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"Uzita anisonema" = Nassarius (Uzita), "Uzita tribaka" = Nassarius (Uzita), "Uzita harrisi" = Nassarius (Uzita), "Uzita opeas" = Nassarius (Uzita), "Uzita cinclis" = Nassarius (Uzita) cinclis, "Uzita dasynema" = Nassarius (Uzita) dasynema, Engoniophos glyptus n. sp., "Phos (Strongylocera) chipolanus" = Pallacera chipolanus
"Uzita dasynema" = Nassarius (Uzita) dasynema Gardner 1944 snail present; U. dasynema cesta n. subsp.
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Ancilla chipolana, Olivella cotinados, Olivella oryzoides, "Olivella eutacta" = Olivella (Olivella) eutacta, "Olivella cofacorys" = Jaspidella cofacorys, Oliva (Omogymna) martensii, "Oliva liodes" = Oliva (Omogymna) liodes
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Conomitra apalachee, Fusiturricula paraservata, Knefastia glypta n. sp., "Vexillum (Uromitra) barnardense" = Uromitra, "Vexillum (Uromitra) cnestum" = Uromitra, "Vexillum (Uromitra) mangilopse" = Uromitra, "Vexillum (Uromitra) amblipleura" = Uromitra
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"Xancus chipolanus" = Turbinella
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""Cythara" barbadoides" = Cytharella barbadoides, "Ithycythara compsacosta" = Cytharella compsacosta, ""Mangelia" cryptopleura" = Cytharella cryptopleura, Brachycythara dasa, ? Ithycythara radinos n. sp., ""Mangelia" anthetika" = Cythara (Mangelia), ""Mangelia" asteria n. sp." = Cythara (Mangelia), ""Mangelia" lissa n. sp." = Cythara (Mangelia), ""Mangelia" klimakota" = Cythara (Mangelia), Saccharoturris centrodes, "Cythara" anthera
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Clavatula apoia, Clavatula polyploka, Clavatula euparypha, Clavatula anthera n. sp., Clavatula vandenbroecki, Clavatula habra, Clavatula compsa, Clavatula elatocompsa n. sp.
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Terebra (Paraterebra) odopoia, "Terebra (Strioterebrum) langdoni" = Strioterebrum
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"Turritella (Torcula) dalli" = Turritella dalli, Turritella subgrundifera
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Scaphopoda | |
"Dentalium (Antalis) chipolanum" = Antalis, Dentalium (Laevidentalium) santarosanum
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"Dentalium (Episiphon) schumoi" = Episiphon
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"Cadulus (Polyschides) lobion" = Polyschides
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Bivalvia | |
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"Leda proteracuta" = Nuculana, "Leda leptalea" = Nuculana, "Leda conica" = Nuculana, "Leda acuta" = Nuculana acuta
"Leda proteracuta" = Nuculana pointed nut clam abundant; also L. proteracuta dystakta (present), L. proteracuta leita (abundant), L. proteracuta diamesa (common)
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Crassatellites (Crassinella) triangulatus, "Crassatellites (Scambula) chipolanus" = Kalolophus chipolanus
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Venericardia (Pleuromeris) tellia, "Cardita (Carditamera) apotegea" = Carditamera, "Venericardia hadra" = Venericardia (Glyptoactis) hadra
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"Phacoides (Cardiolucina) trisulcatus" = Cavilinga trisulcata, "Phacoides (Miltha) heilprini" = Armimiltha heilprini, "Phacoides (Linga) glenni" = Here glenni, "Phacoides (Parvilucina) sphaeriolus" = Parvilucina, "Divaricella chipolana" = Divaricella (Divaricella) chipolana
"Phacoides (Parvilucina) sphaeriolus" = Parvilucina clam prolific; also P.(P.) sphaeriolus angaleus (common)
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"Corbula (Bothrocorbula) synarmostes" = Bothrocorbula synarmostes, Corbula (Caryocorbula) semenoides, "Corbula chipolana" = Varicorbula chipolana
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"Chama draconis" = Arcinella draconis
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Chione chipolana, "Chione (Lirophora) burnsii" = Lirophora, "Macrocallista (Paradione) maculata" = Macrocallista maculata, "Gafrarium (Gouldia) erosum" = Gouldia, Pitaria floridana
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"Cardium (Trachycardium) virile" = Trachycardium, "Cardium (Fragum) burnsii" = Americardia burnsii, "Cardium (Fragum) simrothi" = Trigoniocardia (Apiocardia) simrothi
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"Verticordia (Trigonulina) dalli" = Trigonulina
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Pecten burnsii, "Pecten (Chlamys) chipolanus" = Lindapecten chipolanus, Lyropecten dumblei, "Pecten (Chlamys) condylomatus" = Lyropecten condylomatus, Amusium (Amusium) precursor
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"Ostrea haitensis" = Hyotissa haitensis
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"Ostrea rugifera" = Cubitostrea rugifera
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"Glycymeris subovata" = Costaglycymeris subovata
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"Arca (Barbatia) marylandica" = Barbatia marylandica, "Arca (Diluvarca) latidentata" = Anadara (Diluvarca), "Arca (Diluvarca) mikkula" = Anadara (Diluvarca), "Arca (Diluvarca) hypomela" = Anadara (Diluvarca), "Arca (Diluvarca) initiator" = Anadara (Diluvarca), "Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana, "Arca umbonata" = Lamarcka imbricata
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana Dall 1898 ark abundant; A. (D.) santarosana geraetera
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