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 | |
"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
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"Corbula chipolana" = Varicorbula chipolana, Corbula (Caryocorbula) sarda, Corbula (Caryocorbula) franci n. sp.
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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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Donax trueloides n. sp.
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Tellina (Tellinella) chipolana, Tellina (Moerella) hypolispa, Tellina (Scissula) lampra, Tellina (Moerella) ctenota n. sp., Strigilla paraflexuosa n. sp., "Tellina (Arcopagia) aequistriata" = Tellina (Merisca) aequistriata, "Metis chipolana" = Florimetis chipolana
"Tellina (Arcopagia) aequistriata" = Tellina (Merisca) aequistriata Say 1824 tellin clam rare; ? in occurrence table
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"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
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"Chama draconis" = Arcinella draconis, Pseudochama chipolana
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Erycina undosa, Erycina scaptera n. sp.
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Venericardia (Pleuromeris) tellia, "Cardita (Carditamera) apotegea n. sp." = Carditamera, "Venericardia hadra" = Venericardia (Glyptoactis) hadra
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"Modiolus (Brachydontes) curtulus" = Brachidontes
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"Pecten (Chlamys) chipolanus" = Lindapecten chipolanus, "Pecten (Chlamys) alumensis" = Antillipecten alumensis, Spondylus chipolanus
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"Ostrea rugifera" = Cubitostrea rugifera
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Arca paratina, "Arca (Diluvarca) mikkula n. sp." = Anadara (Diluvarca), "Arca (Diluvarca) staminata" = Anadara (Diluvarca), "Arca (Barbatia) marylandica" = Barbatia marylandica
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"Glycymeris subovata" = Costaglycymeris subovata
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Gastropoda | |
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"Teinostoma chipolanum" = Teinostoma (Idioraphe) chipolanum
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"Cypraea (Cypraeorbis) chilona" = Loxacypraea chilona, "Cypraea chilona n. sp." = Loxacypraea chilona
"Cypraea chilona n. sp." = Loxacypraea chilona Dall 1900 cowry | |
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"Strombus aldrichi" = Persististrombus aldrichi
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"Marginella (Gibberula) sp." = Gibberula, Marginella (Gibberula) chondra, Marginella (Persicula) calhounensis
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Marginella (Volvarina) oryzoides, Marginella (Serrata) chipolana, Marginella (Serrata) nanna n. sp., Marginella (Serrata) coloba, Marginella (Serrata) critha, Marginella (Serrata) eurystoma, Marginella (Serrata) euancycla, Marginella (Serrata) denticulatoides, "Marginella (Egouena) apalachee n. sp." = Prunum (Microspira) apalachee, Marginella (Egouena) capsa n. sp., "Marginella (Egouena) eleutheria n. sp." = Prunum eleutheria, "Marginella (Egouena) lipara" = Prunum lipara, "Cypraeolina pyrenoides" = Marginella (Cypraeolina)
Marginella (Serrata) coloba Gardner 1947 margin shell common; also M. (S.) coloba conoispira (common)
"Marginella (Egouena) apalachee n. sp." = Prunum (Microspira) apalachee Gardner 1947 margin shell common
"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)
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"Uzita anisonema" = Nassarius (Uzita), "Uzita harrisi" = Nassarius (Uzita), "Uzita cinclis" = Nassarius (Uzita) cinclis, "Uzita dasynema" = Nassarius (Uzita) dasynema, "Phos (Strongylocera) pedanus" = Pallacera costatus
"Uzita dasynema" = Nassarius (Uzita) dasynema Gardner 1944 snail rare; also U. dasynema cesta (rare)
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Olivella eleutheria n. sp.
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Clavatula panopla n. sp., Clavatula eleutheria n. sp., Clavatula grabaui, Clavatula libertalis n. sp., Clavatula compsa
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"Terebra (Strioterebrum) langdoni" = Strioterebrum
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Glyphostoma tiarophoron n. sp.
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""Mangelia" louisae" = Cythara (Mangelia), ""Mangelia" klimakota n. sp." = Cythara (Mangelia), ""Mangelia" stypteria n. sp." = Cythara (Mangelia), "Cryoturris daidalea" = Kurtziella (Cryoturris)
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Conomitra apalachee, "Vexillum (Uromitra) mikkulum n. sp." = Uromitra, "Vexillum (Uromitra) scopuli" = Uromitra scopuli
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"Xancus chipolanus" = Turbinella, "Vasum aff. engonatum" = Vasum haitensis
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Natica (Natica) alticallosa, "Natica (Tectonatica) semen" = Tectonatica, "Natica (? Tectonatica) platabasis" = Tectonatica, "Polinices (Neverita) chipolanus" = Neverita chipolanus
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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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Haminoea pompholyx, Atys oedemata, Atys (Roxaniella) gracilis, "Atys (Aliculastrum) obscuratus" = Atys obscuratus
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