Where: Walton County, Florida (30.7° N, 86.1° W: paleocoordinates 31.0° N, 83.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Shoal River Formation (Alum Bluff Group), Serravallian (13.8 - 11.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Shoal River Fm of the Alum Bluff, which lies between the Chipola Fm (Early Miocene) and the Chochtawatchee Fm [Early Pliocene). AGE: Early Miocene (Gardener 1947); Middle Miocene in Vokes (1990) and Portell et al. (2006), although Jones et al. (1993) reports 87Sr/86Sr ratios that yielded average age estimates of 12.4 Ma [=Serravalian]. STRATIGRAPHIC POSITION: From unknown position within formation.
• bed-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 42870: authorized by Arnold Miller, entered by Karen Layou on 06.08.2004, edited by Austin Hendy
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
"Dentalium (Antalis) chipolanum" = Antalis
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Gastropoda | |
"Architectonica quadriseriata" = Architectonica nobilis
"Architectonica quadriseriata" = Architectonica nobilis Röding 1798 sundial abundant; A. quadriseriata waltonensis
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"Volvula oxytata" = Volvulella (Volvulella) oxytata
"Volvula oxytata" = Volvulella (Volvulella) oxytata Bush 1885 snail rare; also V. oxytata dodona (present)
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"Turritella (Torcula) waltonensis n. sp." = Torcula, Turritella segmenta n. sp.
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Fossarus florius n. sp.
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Crepidula fornicata, Crepidula plana, Crucibulum multilineatum, "Crucibulum constrictum" = Crucibulum (Dispotaea) constrictum, "Crucibulum waltonense n. sp." = Crucibulum (Dispotaea) waltonense, Calyptraea centralis
"Crucibulum constrictum" = Crucibulum (Dispotaea) constrictum Conrad 1842 slipper shell common; C. constrictum conjuge n. subsp. (common)
"Crucibulum waltonense n. sp." = Crucibulum (Dispotaea) waltonense Gardner 1947 slipper shell common
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"Cheilea dryas n. sp." = Cheilea uncinata
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Sigatica caractica, "Polinices (Neverita) eucallosus" = Neverita, Euspira rotunda, "Natica (Stigmaulax) guppiana" = Stigmaulax guppiana, "Natica (Naticarius) precursor" = Naticarius precursor, "Natica (Tectonatica) mino n. sp." = Tectonatica, "Polinices judsoni" = Natica judsoni, Sinum waltonense
"Natica (Stigmaulax) guppiana" = Stigmaulax guppiana Toula 1909 moon snail common; also N. (S.) guppiana toulana n. subsp. (rare)
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"Vitrinella" waltonia n. sp., "Vitrinella" excavata n. sp., "Circulus" mitorraphes, "Circulus" anthera n. sp.
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Strombina lissa n. sp., Strombina ceryx n. sp., "Strombina waltonia n. sp." = Strombina (Strombina) waltonia, Nassarina trachea n. sp., Mitrella juncea n. sp.
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Fusinus waltonensis n. sp.
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"Uzita pedana n. sp." = Nassarius (Uzita), "Uzita nanna" = Nassarius (Uzita), "Uzita grapta" = Nassarius (Uzita), "Uzita waltonensis" = Nassarius (Uzita) waltonensis
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Hesperisternia waltonia, "Engoniophos vadosus n. sp." = Strombinophos vadosus
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"Cancellaria (Trigonostoma) sphenoidostoma n. sp." = Trigonostoma, Cancellaria subtiarophora, Cancellaria waltoniana n. sp., Cancellaria spherotopleura n. sp., "Cancellaria pinguis n. sp." = Cancellaria (Cancellaria) pinguis, "Cancellaria (Narona) atraktoides n. sp." = Narona, "Cancellaria (Aphera) waltonensis" = Aphera waltonensis, "Cancellaria runchaena" = Cancellaria (Massyla) runchaena
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Mitra (Tiara) desmia n. sp.
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"Drillia" microneta, "Drillia" centrodes n. sp., "Drillia" zosta n. sp., "Drillia" trypanion n. sp., "Drillia" pycnoklosta n. sp., "Drillia" waltoniana n. sp., "Crassispira calligonoides n. sp." = Crassispira (Hindsiclava) calligonoides, "Agladrillia empera n. sp." = Clathrodrillia empera, "Eumetadrillia rabdotacona n. sp." = Agladrillia (Eumetadrillia) rabdotacona
"Crassispira calligonoides n. sp." = Crassispira (Hindsiclava) calligonoides Gardner 1938 snail abundant
"Eumetadrillia rabdotacona n. sp." = Agladrillia (Eumetadrillia) rabdotacona Gardner 1947 snail prolific
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Nannodiella nemorensis, "Glyphostoma xeston n. sp." = Glyphostoma (Rhiglyphostoma) xeston
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"Terebra (Strioterebrum) pupiformis" = Strioterebrum, "Terebra (Strioterebrum) rabdota" = Strioterebrum, "Terebra (Strioterebrum) gausapata" = Strioterebrum gausapatum, "Terebra (Strioterebrum) waltonensis" = Strioterebrum waltonensis, "Terebra (Strioterebrum) rapta n. sp." = Strioterebrum raptum, Terebra (Paraterebra) odopoia, Terebra (Paraterebra) ? sulcifera
"Terebra (Strioterebrum) gausapata" = Strioterebrum gausapatum Brown and Pilsbry 1911 auger snail rare; ? in occurrence table
"Terebra (Strioterebrum) waltonensis" = Strioterebrum waltonensis Gardner 1947 auger snail common; also T. (S.) waltonensis tribaka n. subsp. (common)
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"Polystira (Pleurolira) tenagos n. sp." = Polystira tenagos, "Hemipleurotoma eileta" = Gemmula vaningeni, ""Cythara" basilissa n. sp." = Lepicythara basilissa
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Olivella dasa n. sp., "Oliva liodes" = Oliva (Omogymna) liodes
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? Knefastia waltonia, ? Fusiturricula glaphura n. sp., "Vexillum (Uromitra) triptum" = Uromitra, "Vexillum (Uromitra) ctenotum n. sp." = Uromitra
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Marginella (Serrata) vadosa n. sp.
Marginella (Serrata) vadosa n. sp. Gardner 1947 margin shell abundant; also V. (S.) vadosa ischna (abundant)
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"Murex (Chicoreus) aldrichi" = Chicoreus, Typhis (Talityphis) pterinus, Urosalpinx tribaka n. sp., Eupleura pterina
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Trivia vaughani n. sp.
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"Personella floridana n. sp." = Distorsio mcgintyi
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Bivalvia | |
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"Pecten (Chlamys) nicholsi" = Chlamys
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"Ostrea haitensis" = Hyotissa haitensis
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"Arca (Diluvarca) waltonia" = Anadara (Diluvarca), "Arca (Diluvarca) strebla" = Anadara (Diluvarca) strebla
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"Glycymeris waltonensis" = Costaglycymeris waltonensis, "Glycymeris pectinata" = Tucetona pectinata
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"Bornia virgata" = Temblornia virgata
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Cardium (Cerastoderma) waltonianum, Nemocardium sp., "Cardium (Trachycardium) plectopleura n. sp." = Trachycardium, "Cardium (Trachycardium) ustrix" = Trachycardium
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Semele paramutica n. sp.
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Tellina (Phyllodina) leptalea n. sp., Tellina (Moerella) piesa n. sp., Macoma sp., "Macoma (Psammacoma) torynoides" = Psammacoma torynoides
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Diplodonta leptodoma n. sp.
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"Alveinus micculus n. sp." = Alveinus rotundus
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"Pseudochama (Echinochama) arcinella" = Arcinella arcinella
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"Chione (Lirophora) ceramota" = Lirophora (Lirophora) ceramota, "Chione (Lirophora) trimeris n. sp." = Lirophora (Lirophora) trimeris, Dosinia (Dosinidia) dalli, "Venus nannodes n. sp." = Mercenaria nannodes, "Macrocallista (Paradione) waltonensis" = Pitar (Paradione), Callocardia (Agriopoma) prosayana, Pitaria waltonensis n. sp.
"Chione (Lirophora) trimeris n. sp." = Lirophora (Lirophora) trimeris Gardner 1947 venus clam prolific
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"Spisula (Hemimactra) valhosierr" = Leptomactra valhosierr
"Spisula (Hemimactra) valhosierr" = Leptomactra valhosierr Gardner 1947 clam rare; ? in occurrence table
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"Corbula waltonensis" = Varicorbula disparilis, Corbula (Caryocorbula) parawhitfieldi, Corbula (Caryocorbula) seminella
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"Pandora (Kennerleyia) dodona" = Pandora (Pandorella) dodona
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Divaricella waltonia n. sp., "Phacoides (Parvilucina) flumenvadosa n. sp." = Parvilucina
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"Crassatellites (Scambula) densus" = Crassatella densus, "Crassatellites (Crassinella) tanicus" = Crassinella
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Astarte (Bythiamena) isosceles n. sp., Astarte (Ashtarotha) sima n. sp.
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