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
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 | |
"Cadulus (Polyschides) lobion" = Polyschides
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"Dentalium (Antalis) chipolanum" = Antalis
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Bivalvia | |
"Venericardia hadra" = Venericardia (Glyptoactis) hadra, Venericardia (Pleuromeris) tellia, "Cardita (Carditamera) apotegea n. sp." = Carditamera
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"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
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Donax trueloides n. sp.
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Tellina (Tellinella) chipolana, Tellina (Moerella) hypolispa, Tellina (Scissula) lampra, Tellina (Moerella) ctenota n. sp., "Metis chipolana" = Florimetis chipolana, Strigilla paraflexuosa n. sp., "Tellina (Arcopagia) aequistriata" = Tellina (Merisca) aequistriata
"Tellina (Arcopagia) aequistriata" = Tellina (Merisca) aequistriata Say 1824 tellin clam rare; ? in occurrence table
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"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.
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Erycina undosa, Erycina scaptera n. sp.
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"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
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Pseudochama chipolana, "Chama draconis" = Arcinella draconis
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"Corbula chipolana" = Varicorbula chipolana, Corbula (Caryocorbula) sarda, Corbula (Caryocorbula) franci n. sp.
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"Glycymeris subovata" = Costaglycymeris subovata
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"Arca (Barbatia) marylandica" = Barbatia marylandica, "Arca (Diluvarca) mikkula n. sp." = Anadara (Diluvarca), "Arca (Diluvarca) staminata" = Anadara (Diluvarca), Arca paratina
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Spondylus chipolanus, "Pecten (Chlamys) chipolanus" = Lindapecten chipolanus, "Pecten (Chlamys) alumensis" = Antillipecten alumensis
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"Ostrea rugifera" = Cubitostrea rugifera
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"Modiolus (Brachydontes) curtulus" = Brachidontes
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Gastropoda | |
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Atys oedemata, Atys (Roxaniella) gracilis, "Atys (Aliculastrum) obscuratus" = Atys obscuratus, Haminoea pompholyx
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"Turritella (Torcula) dalli n. sp." = Turritella dalli, Turritella subgrundifera
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"Epitonium (Spiniscala) virginiae" = Scala (Spiniscala)
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"Cypraea (Cypraeorbis) chilona" = Loxacypraea chilona, "Cypraea chilona n. sp." = Loxacypraea chilona
"Cypraea chilona n. sp." = Loxacypraea chilona Dall 1900 cowry | |
"Xancus chipolanus" = Turbinella, "Vasum aff. engonatum" = Vasum haitensis
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Conomitra apalachee, "Vexillum (Uromitra) mikkulum n. sp." = Uromitra, "Vexillum (Uromitra) scopuli" = Uromitra scopuli
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"Uzita anisonema" = Nassarius (Uzita), "Uzita harrisi" = Nassarius (Uzita), "Uzita dasynema" = Nassarius (Uzita) dasynema, "Uzita cinclis" = Nassarius (Uzita) cinclis, "Phos (Strongylocera) pedanus" = Pallacera costatus
"Uzita dasynema" = Nassarius (Uzita) dasynema Gardner 1944 snail rare; also U. dasynema cesta (rare)
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"Terebra (Strioterebrum) langdoni" = Strioterebrum
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"Cryoturris daidalea" = Kurtziella (Cryoturris), ""Mangelia" louisae" = Cythara (Mangelia), ""Mangelia" klimakota n. sp." = Cythara (Mangelia), ""Mangelia" stypteria n. sp." = Cythara (Mangelia)
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Clavatula panopla n. sp., Clavatula eleutheria n. sp., Clavatula grabaui, Clavatula libertalis n. sp., Clavatula compsa
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Glyphostoma tiarophoron n. sp.
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Olivella eleutheria n. sp.
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"Marginella (Gibberula) sp." = Gibberula, Marginella (Gibberula) chondra, Marginella (Persicula) calhounensis
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Marginella (Volvarina) oryzoides, "Cypraeolina pyrenoides" = Marginella (Cypraeolina), "Marginella (Egouena) lipara" = Prunum lipara, "Marginella (Egouena) eleutheria n. sp." = Prunum eleutheria, Marginella (Egouena) capsa n. sp., "Marginella (Egouena) apalachee n. sp." = Prunum (Microspira) apalachee, Marginella (Serrata) coloba, Marginella (Serrata) critha, Marginella (Serrata) chipolana, Marginella (Serrata) nanna n. sp., Marginella (Serrata) denticulatoides, Marginella (Serrata) eurystoma, Marginella (Serrata) euancycla
"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) 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)
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"Strombus aldrichi" = Persististrombus aldrichi
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"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum
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"Natica (Tectonatica) semen" = Tectonatica, "Natica (? Tectonatica) platabasis" = Tectonatica, Natica (Natica) alticallosa, "Polinices (Neverita) chipolanus" = Neverita chipolanus
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