Where: Walton County, Florida (30.7° N, 86.6° W: paleocoordinates 31.0° N, 84.0° 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.
• formation-level stratigraphic resolution
Environment/lithology: marine; unlithified, gray, green, calcareous sandstone and siliciclastic
Size class: macrofossils
Preservation: original aragonite
Reposited in the FLMNH
Collection methods: bulk, surface (float), sieve,
• COLLECTOR: Multiple collectors. REPOSITORY: FLMNH.
Primary reference: R. W. Portell, G. L. Polites, and G. W. Schmelz. 2006. Mollusca: Shoal River Formation (Middle Miocene. Florida Fossil Invertebrates 9:1-52 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 136943: authorized by Austin Hendy, entered by Austin Hendy on 07.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Scaphopoda | |
Dentalium sp. Linnaeus 1758 tusk shell
Antalis diopon tusk shell | |
Gadila spiniformis tusk shell
Cadulus sp. Philippi 1844 tusk shell | |
Bivalvia | |
Mytilidae indet. Rafinesque 1815 mussel | |
"Glycymeris waltonensis" = Costaglycymeris waltonensis, "Glycymeris pectinata" = Tucetona pectinata
"Glycymeris waltonensis" = Costaglycymeris waltonensis Gardner 1947 clam
"Glycymeris pectinata" = Tucetona pectinata Gmelin 1791 clam | |
Barbatia sp. Gray 1842 clam
Anadara sp. Gray 1847 ark
Anadara waltonia ark
Anadara strebla Gardner 1947 ark
Trinacria cf. meeki clam | |
Pinnidae indet. Leach 1819 oyster | |
Pecten "sp. 1" Müller 1776 scallop
Chlamys nicholsi scallop | |
Plicatula sp. Lamarck 1801 scallop | |
"Pseudamussium defuniak" = Cyclopecten defuniak
"Pseudamussium defuniak" = Cyclopecten defuniak Gardner 1926 mud scallop | |
Crassinella tanica clam
Eucrassatella densa clam | |
Astarte isosceles clam
Astarte sima clam | |
Divaricella waltonia, Codakia sp., Parvilucina flumenvadosa, Parvilucina vaughani, "Myrtaea waltonensis" = Myrtea, Cardiolucina sp.
Divaricella waltonia clam
Codakia sp. Scopoli 1777 clam
Parvilucina vaughani clam
"Myrtaea waltonensis" = Myrtea clam
Cardiolucina sp. Sacco 1901 clam | |
Thyasira sp. Lamarck 1818 clam | |
Teredo sp. Linnaeus 1758 clam | |
Aligena lineata aligena | |
Sportella lioconcha clam | |
"Cardium taphrium" = Dinocardium taphrium, Trachycardium sp., Trachycardium plectopleura, Cardium waltonianum
"Cardium taphrium" = Dinocardium taphrium Dall 1900 cockle
Trachycardium sp. Mörch 1853 cockle
Trachycardium plectopleura cockle
Cardium waltonianum Dall 1900 cockle | |
Semele sp. Schumacher 1817 clam
Semele paramutica Gardner 1947 clam
Ervilia valhosierr Gardner 1928 clam | |
Solecurtus "sp. 1" Blainville 1824 clam
Solecurtus "sp. 2" Blainville 1824 clam | |
Donax "sp. 3" Linnaeus 1758 clam | |
Macoma "sp. 2", "Macoma torynoides" = Psammacoma torynoides, Tellina piesa, Tellina leptalea, Tellina waltonensis
Macoma "sp. 2" Leach 1819 tellin clam
"Macoma torynoides" = Psammacoma torynoides Gardner 1947 tellin clam
Tellina piesa Gardner 1947 tellin clam
Tellina leptalea Gardner 1947 tellin clam
Tellina waltonensis Gardner 1947 tellin clam | |
"Psammobia bowdichi" = Gari (Psammobia)
"Psammobia bowdichi" = Gari (Psammobia) clam | |
Diplodonta sp. Bronn 1831 clam
Diplodonta leptodoma clam | |
"Panchione ceramota" = Lirophora (Panchione), "Panchione trimeris" = Lirophora (Panchione), Dosinia dalli, Mercenaria prodroma, Callocardia prosayana, Gouldia sp., Macrocallista waltonensis, Pleiorytis bowenae, "Clementia grayi" = Clementia (Egesta) grayi
"Panchione ceramota" = Lirophora (Panchione) venus clam
"Panchione trimeris" = Lirophora (Panchione) venus clam
Dosinia dalli Gardner 1947 venus clam
Mercenaria prodroma Gardner 1947 quahog
Callocardia prosayana venus clam
Gouldia sp. Adams 1847 venus clam
Macrocallista waltonensis venus clam
Pleiorytis bowenae venus clam
"Clementia grayi" = Clementia (Egesta) grayi Dall 1900 venus clam | |
Arcinella arcinella Linnaeus 1767 jewel box
Chama sp. Linnaeus 1758 jewel box
Chama corticosa jewel box | |
Mulinia orthria clam
Spisula craspedota Gardner 1947 clam
"Spisula valhosierr" = Leptomactra valhosierr Gardner 1947 clam | |
"Alveinus micculus" = Alveinus rotundus
"Alveinus micculus" = Alveinus rotundus Dall 1900 clam | |
Panopea sp. Menard 1807 clam | |
Periploma discus Stearns 1890 clam | |
"Pandora dodona" = Pandora (Pandorella) dodona
"Pandora dodona" = Pandora (Pandorella) dodona Dall 1903 clam | |
Margaritaria sp. clam | |
Nuculana polychoa pointed nut clam | |
Yoldia soror clam | |
Nucula chipolana nut clam | |
Cephalopoda | |
"Aturia curvilineata" = Aturia cubaensis
"Aturia curvilineata" = Aturia cubaensis Lea 1841 nautiloid | |
Gastropoda | |
Calliostoma flumenvadum Gardner 1947 top snail
Calliostoma rugabasis Gardner 1947 top snail | |
Didianema waltonia snail | |
Bulla sp. Linnaeus 1758 snail
Bulla striata Bruguiére 1792 snail | |
Cylichna anthera snail
Cylichnella biplicata Lea 1845 snail
Acteocina rusa barrel-bubble
Acteocina sphalera barrel-bubble | |
Volvulella phoinicoides snail
Volvulella persimilis Mörch 1875 snail
Sulcoretusa chipolana snail
Sulcoretusa prosulcata snail | |
Atys gracilis snail | |
Pteropoda indet. Cuvier 1804 snail | |
Syrnola sp., Turbonilla "sp. 1", Turbonilla "sp. 2", Turbonilla "sp. 3", Turbonilla "sp. 4", Turbonilla "sp. 5", Turbonilla "sp. 6"
Syrnola sp. Adams 1860 snail
Turbonilla "sp. 1" Risso 1826 snail
Turbonilla "sp. 2" Risso 1826 snail
Turbonilla "sp. 3" Risso 1826 snail
Turbonilla "sp. 4" Risso 1826 snail
Turbonilla "sp. 5" Risso 1826 snail
Turbonilla "sp. 6" Risso 1826 snail | |
Acteon textilis Guppy 1873 snail
Acteon hamadryados Maury 1910 snail
"Acteon fusulus" = Rictaxis fusulus Dall 1896 snail | |
Ringicula stiphera snail | |
Opalia sp., Epitonium "sp. 1", Epitonium "sp. 2", Epitonium "sp. 3", Epitonium virginiae, Epitonium alaquaense
Opalia sp. Adams and Adams 1853 wentletrap
Epitonium "sp. 1" Bolten 1798 wentletrap
Epitonium "sp. 2" Bolten 1798 wentletrap
Epitonium "sp. 3" Bolten 1798 wentletrap
Epitonium virginiae wentletrap
Epitonium alaquaense Mansfield 1935 wentletrap | |
Eulimidae indet. Philippi 1853 snail
Eulima nobilis Guppy 1896 snail
Polygireulima defuniak snail
Polygireulima makista snail | |
Fossarus florius snail | |
Cerithiidae indet. Fleming 1822 cerith snail
Rhinoclavis sp. Swainson 1840 cerith snail
Hemicerithium sp. Cossmann 1893 cerith snail
Bittium sp. Gray 1847 cerith snail | |
Torcula waltonensis turret shell
Turritella alcida turret shell
Turritella segmenta Gardner 1947 turret shell | |
Finella "sp. 1" Adams 1860 snail
Finella "sp. 2" Adams 1860 snail | |
Stigmaulax guppiana, Naticarius precursor, "Polinices judsoni" = Natica judsoni, Tectonatica mino, Tectonatica semen, Euspira rotunda, Polinices robustus, Neverita chipolana, Neverita eucallosa, Sinum cf. dodoneum, Sinum waltonense, Sigatica caractica
Stigmaulax guppiana Toula 1909 moon snail
Naticarius precursor Gardner 1947 moon snail
"Polinices judsoni" = Natica judsoni Maury 1910 moon snail
Tectonatica mino moon snail
Tectonatica semen moon snail
Euspira rotunda moon snail
Polinices robustus moon snail
Neverita chipolana moon snail
Neverita eucallosa moon snail
Sinum cf. dodoneum moon snail
Sinum waltonense moon snail
Sigatica caractica Gardner 1947 moon snail | |
Episcynia mauryi snail
Vitrinella excavata snail
Vitrinella waltonia snail
Cyclostremiscus anthera snail | |
Hydrobiidae "indet. 1" Troschel 1857 snail
Hydrobiidae "indet. 2" Troschel 1857 snail | |
"Teinostoma nanum" = Teinostoma nana
"Teinostoma nanum" = Teinostoma nana Lea 1833 snail | |
Petaloconchus sp. Lea 1843 worm shell | |
Ficus sp. Röding 1798 fig shell | |
Trivia vaughani Gardner 1947 snail | |
Knefastia sp., Knefastia waltonia, Fusiturricula glaphura, Vexillum "sp. 1", Vexillum "sp. 2", Vexillum ctenotum, Vexillum triptum
Knefastia sp. Dall 1919 ribbed mitre
Knefastia waltonia ribbed mitre
Fusiturricula glaphura ribbed mitre
Vexillum "sp. 1" Röding 1798 ribbed mitre
Vexillum "sp. 2" Röding 1798 ribbed mitre
Vexillum ctenotum ribbed mitre
Vexillum triptum ribbed mitre | |
"Ziba desmia" = Cancilla (Ziba)
"Ziba desmia" = Cancilla (Ziba) mitre shell | |
Strombina ceryx, Strombina lissa, "Strombina waltonia" = Strombina (Strombina) waltonia, Mitrella juncea
Strombina ceryx snail
Strombina lissa snail
"Strombina waltonia" = Strombina (Strombina) waltonia Gardner 1947 snail
Mitrella juncea snail | |
Phos vadosus true whelk
Hesperisternia waltonia Gardner 1944 true whelk | |
Melongena cf. consors, "Busycon sp." = Busycon, "Busycon montforti" = Busycon, Busycon dasum, "Pyruella sp." = Busycon, Busycon cf. radix
Melongena cf. consors Sowerby 1850 snail
"Busycon sp." = Busycon Röding 1798 whelk
"Busycon montforti" = Busycon whelk
Busycon dasum Gardner 1947 whelk
"Pyruella sp." = Busycon Röding 1798 whelk
Busycon cf. radix Gardner 1947 whelk | |
Nassarius sp. Duméril 1806 snail
Nassarius nannus snail
Nassarius pedanus snail
Nassarius waltonensis Gardner 1936 snail | |
Fusinus waltonensis snail | |
"Cancellaria runchaena" = Cancellaria (Massyla) runchaena, Aphera waltonensis, Cancellaria "sp. 1", Cancellaria "sp. 2", Cancellaria aff. stibara, Cancellaria atraktoides, Cancellaria subtiarophora, Cancellaria waltoniana, "Cancellaria defuniak" = Cancellaria (Cancellaria) defuniak, "Cancellaria pinguis" = Cancellaria (Cancellaria) pinguis, Axelella sphenoidostoma, Axelella spherotoleura
"Cancellaria runchaena" = Cancellaria (Massyla) runchaena Gardner 1947 snail
Aphera waltonensis Aldrich 1910 snail
Cancellaria "sp. 1" Lamarck 1799 snail
Cancellaria "sp. 2" Lamarck 1799 snail
Cancellaria aff. stibara snail
Cancellaria atraktoides snail
Cancellaria waltoniana snail
"Cancellaria defuniak" = Cancellaria (Cancellaria) defuniak Gardner 1947 snail
"Cancellaria pinguis" = Cancellaria (Cancellaria) pinguis Gardner 1947 snail
Axelella sphenoidostoma snail
Axelella spherotoleura snail | |
Olivella sp. Swainson 1831 olive snail
Olivella dasa olive snail
Oliva cf. blowi Drez 1981 olive snail
Oliva waltoniana Gardner 1937 olive snail | |
Gemmula vaningeni Brown and Pilsbry 1913 turrid
Lepicythara basilissa Gardner 1938 turrid
Polystira tenagos Gardner 1947 turrid | |
Conus cf. drezi Hoerle 1976 cone shell
Conus drezi Hoerle 1976 cone shell
Conus waltonensis Aldrich 1903 cone shell
Conus submoniliferus Gardner 1937 cone shell
Conus infulatus Hoerle 1976 cone shell | |
Drillia "sp. 1", Drillia "sp. 2", Drillia centrodes, Drillia microneta, Drillia pycnoklosta, Drillia trypanion, Drillia waltoniana, Drillia zosta, "Drillia eurystoma" = Drillia (Neodrillia) riogurabonis eurystoma, Agladrillia sp., Agladrillia rabdotacona, "Crassispira calligonoides" = Crassispira (Hindsiclava) calligonoides, "Agladrillia empera" = Clathrodrillia empera
Drillia "sp. 1" Gray 1838 snail
Drillia "sp. 2" Gray 1838 snail
Drillia centrodes snail
Drillia microneta snail
Drillia pycnoklosta snail
Drillia trypanion snail
Drillia waltoniana snail
Drillia zosta snail
"Drillia eurystoma" = Drillia (Neodrillia) riogurabonis eurystoma Gardner 1937 snail
Agladrillia sp. Woodring 1928 snail
Agladrillia rabdotacona Gardner 1947 snail
"Crassispira calligonoides" = Crassispira (Hindsiclava) calligonoides Gardner 1938 snail
"Agladrillia empera" = Clathrodrillia empera Gardner 1938 snail | |
Cochlespira sp. Conrad 1865 snail | |
Strioterebrum "sp. 1", Strioterebrum "sp. 2", Strioterebrum "sp. 3", Strioterebrum cf. rabdotum, Strioterebrum bipartitum, Strioterebrum rabdotum, Strioterebrum cf. gausapatum, Strioterebrum raptum, Terebra odopoia, "Terebra cf. sulcifera" = Terebra (Paraterebra) sulcifera
Strioterebrum "sp. 1" Sacco 1891 auger snail
Strioterebrum "sp. 2" Sacco 1891 auger snail
Strioterebrum "sp. 3" Sacco 1891 auger snail
Strioterebrum cf. rabdotum auger snail
Strioterebrum bipartitum auger snail
Strioterebrum rabdotum auger snail
Strioterebrum cf. gausapatum Brown and Pilsbry 1911 auger snail
Strioterebrum raptum Gardner 1938 auger snail
Terebra odopoia auger snail
"Terebra cf. sulcifera" = Terebra (Paraterebra) sulcifera Sowerby 1849 auger snail | |
Nannodiella nemorensis, "Glyphostoma xeston" = Glyphostoma (Rhiglyphostoma) xeston
Nannodiella nemorensis Maury 1910 snail
"Glyphostoma xeston" = Glyphostoma (Rhiglyphostoma) xeston Gardner 1938 snail | |
Ithycythara defuniak, Bela nassoides, "Mangelia sp." = Cythara (Mangelia), "Mangelia phrixae" = Cythara (Mangelia), Kurtziella sp., Kurtziella prionota
Ithycythara defuniak Gardner 1938 snail
Bela nassoides snail
"Mangelia sp." = Cythara (Mangelia) Loven 1846 snail
"Mangelia phrixae" = Cythara (Mangelia) snail
Kurtziella sp. Dall 1918 snail
Kurtziella prionota snail | |
Microdrillia sp. Casey 1903 snail | |
Caricella pycnoplecta volute | |
Gibberula waltoniana Gardner 1947 snail | |
Serrata vadosa Gardner 1947 margin shell | |
Poirieria laccopoia, Chicoreus aldrichi, Chicoreus nicholsi, Pterorytis dryas, Urosalpinx sp., Urosalpinx tribaka, Urosalpinx xustris, "Typhis pterinus" = Typhis (Talityphis) pterinus, Trachypollia trachea, Calotrophon phagon
Poirieria laccopoia Gardner 1947 murex snail
Chicoreus aldrichi murex snail
Chicoreus nicholsi murex snail
Pterorytis dryas murex snail
Urosalpinx sp. Stimpson 1865 murex snail
Urosalpinx tribaka murex snail
Urosalpinx xustris murex snail
"Typhis pterinus" = Typhis (Talityphis) pterinus Gardner 1936 murex snail
Trachypollia trachea murex snail
Calotrophon phagon murex snail | |
"Distorsio floridana" = Distorsio mcgintyi
"Distorsio floridana" = Distorsio mcgintyi Emerson and Puffer 1953 snail | |
Phalium murryi snail | |
Cymatium sp. Röding 1798 triton shell | |
Xenophora aff. textilina Dall 1892 carrier shell | |
Crucibulum multilineatum, "Crucibulum constrictum" = Crucibulum (Dispotaea) constrictum, "Crucibulum waltonense" = Crucibulum (Dispotaea) waltonense, "Crepidula aculeata" = Bostrycapulus aculeatus, Crepidula fornicata, Crepidula plana, Calyptraea centralis
Crucibulum multilineatum Conrad 1842 slipper shell
"Crucibulum constrictum" = Crucibulum (Dispotaea) constrictum Conrad 1842 slipper shell
"Crucibulum waltonense" = Crucibulum (Dispotaea) waltonense Gardner 1947 slipper shell
"Crepidula aculeata" = Bostrycapulus aculeatus Gmelin 1791 slipper shell
Crepidula fornicata Linnaeus 1758 slipper shell
Crepidula plana Say 1822 slipper shell
Calyptraea centralis Conrad 1841 slipper shell |