Where: Walton County, Florida (31.0° N, 86.5° W: paleocoordinates 31.4° N, 82.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Oak Grove Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)
• LITHOSTRATIGRAPHY: From the Oak Grove Fm of the Alum Bluff Gp, for which lithostratigraphic relationships are not discussed. AGE: late Early Miocene, on the basis of macro fossil biostratigraphy. STRATIGRAPHIC RELATIONS: From unknown position within formation.
• formation-level stratigraphic resolution
Environment/lithology: marine; unlithified, gray, green, 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 42682: authorized by Arnold Miller, entered by Karen Layou on 04.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Glycymeris drymanos" = Costaglycymeris drymanos
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"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana
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"Crassatellites (Scambula) densus" = Crassatella densus
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"Venericardia himerta" = Glyptoactis (Glyptoactis) himerta
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"Phacoides (Pseudomiltha) paranodonta" = Pseudomiltha, "Lucina santarosana" = Pegophysema santarosana, "Phacoides (Parvilucina) flumenvadosa" = Parvilucina
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"Corbula waltonensis" = Varicorbula disparilis
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"Cardium (Cerastoderma) taphrium" = Dinocardium taphrium, "Cardium (Trachycardium) malacum" = Trachycardium, "Cardium (Cerastoderma) panastrum" = Cerastoderma
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"Chione (Lirophora) glyptocyma" = Lirophora, "Venus prodroma n. sp." = Mercenaria prodroma, "Macrocallista (Paradione) maculata" = Macrocallista maculata
"Chione (Lirophora) glyptocyma" = Lirophora venus clam abundant; C. (L.) glyptocyma daphne n. subsp.
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"Spisula (Hemimactra) densa" = Hemimactra
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Gastropoda | |
"Polinices judsoni" = Natica judsoni, "Polinices (Neverita) chipolanus" = Neverita chipolanus
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Busycon atraktoides n. sp., Busycon radix
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"Oliva liodes" = Oliva (Omogymna) liodes
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