USGS Loc. 3856 - Mossyhead [Shoal River Fm]: Serravallian, Florida

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Trochidae
Calliostoma rugabasis n. sp. Gardner 1947
rare
Calliostoma flumenvadum n. sp. Gardner 1947
prolific
Gastropoda - Heterostropha - Architectonicidae
Architectonica quadriseriata (Sowerby 1850)
synonym of Architectonica nobilis
abundant; A. quadriseriata waltonensis
Gastropoda - Heterostropha - Acteonidae
Volvula phoinicoides
rare
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula plana Say 1822
present
Calyptraea centralis (Conrad 1841)
present
Crucibulum constrictum (Conrad 1842)
recombined as Crucibulum (Dispotaea) constrictum
present; C. constrictum conjuge
Crucibulum waltonense Gardner 1947
recombined as Crucibulum (Dispotaea) waltonense
common
Crucibulum multilineatum (Conrad 1842)
rare
Gastropoda - Naticidae
Sinum waltonense n. sp.
abundant
Euspira rotunda n. sp.
present
Polinices (Neverita) eucallosus
original and current combination Neverita
common
Natica (Tectonatica) mino
original and current combination Tectonatica
abundant
Natica (Tectonatica) semen
original and current combination Tectonatica
rare
Natica (Stigmaulax) guppiana Toula 1909
recombined as Stigmaulax guppiana
rare
Natica (Naticarius) precursor Gardner 1947
recombined as Naticarius precursor
rare
Polinices judsoni (Maury 1910)
original and current combination Natica judsoni
prolific
Gastropoda - Neogastropoda - Costellariidae
Vexillum (Uromitra) triptum n. sp.
original and current combination Uromitra
common
? Knefastia waltonia
rare
? Fusiturricula glaphura
common
Gastropoda - Neogastropoda - Mitridae
Mitra (Tiara) desmia (Gardner 1938)
present
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria subtiarophora
present
Cancellaria waltoniana
prolific
Cancellaria spherotopleura
present
Cancellaria runchaena Gardner 1947
recombined as Cancellaria (Massyla) runchaena
rare
Cancellaria (Narona) atraktoides
original and current combination Narona
present
Gastropoda - Neogastropoda - Mangeliidae
Kurtziella prionota
rare
Bela nassoides
rare
"Mangelia" phrixae
corrected as Cythara (Mangelia)
present
Gastropoda - Neogastropoda - Clathurellidae
Glyphostoma xeston Gardner 1938
recombined as Glyphostoma (Rhiglyphostoma) xeston
present
Gastropoda - Neogastropoda - Terebridae
Terebra (Strioterebrum) pupiformis n. sp.
original and current combination Strioterebrum
present
Terebra (? Strioterebrum) eskata n. sp.
original and current combination Strioterebrum
common
Terebra (Strioterebrum) rabdota n. sp.
original and current combination Strioterebrum
common
Terebra (Strioterebrum) gausapata (Brown and Pilsbry 1911)
recombined as Strioterebrum gausapatum
rare
Terebra (Strioterebrum) waltonensis Gardner 1947
recombined as Strioterebrum waltonensis
prolific; also T. (S.) waltonensis tribaka (abundant)
Terebra (Strioterebrum) rapta Gardner 1938
recombined as Strioterebrum raptum
rare
Terebra (Strioterebrum) spirifera (Dall 1895)
recombined as Strioterebrum spiriferum
common
Terebra (Strioterebrum) bipartita Sowerby 1849
rare
Terebra (Paraterebra) ? sulcifera (Sowerby 1849)
rare
Gastropoda - Neogastropoda - Conidae
Conus waltonensis n. sp. Aldrich 1903
prolific; also C. waltonensis anodosus n. subsp. (prolific)
Conus turbinopsis n. sp. Gardner 1937
present
    = Conus infulatus Hoerle 1976
Hoerle 1976
Gastropoda - Neogastropoda - Turridae
Hemipleurotoma bitropis Gardner 1938
synonym of Gemmula machapoorensis
present
Hemipleurotoma eileta n. sp. Gardner 1938
synonym of Gemmula vaningeni
abundant
Polystira (Pleuroliria) tenagos Gardner 1947
recombined as Polystira tenagos
prolific
Gastropoda - Neogastropoda - Drilliidae
Agladrillia empera Gardner 1938
recombined as Clathrodrillia empera
abundant
"Drillia" eurysoma n. sp.
rare
"Drillia" microneta n. sp.
rare
"Drillia" zosta
present
"Drillia" trypanion
rare
"Drillia" waltoniana
common
Eumetadrillia rabdotacona Gardner 1947
recombined as Agladrillia (Eumetadrillia) rabdotacona
prolific
Gastropoda - Neogastropoda - Nassariidae
Uzita pedana
spelled with current rank as Nassarius (Uzita)
present
Uzita nanna n. sp.
spelled with current rank as Nassarius (Uzita)
present
Uzita waltonensis (Gardner 1936)
recombined as Nassarius (Uzita) waltonensis
rare
Gastropoda - Neogastropoda - Melongenidae
Busycon montforti
present
Busycon dasum Gardner 1947
present
Gastropoda - Neogastropoda - Buccinidae
Hesperisternia waltonia n. sp. Gardner 1944
present
Engoniophos vadosus Gardner 1926
recombined as Strombinophos vadosus
rare
Gastropoda - Neogastropoda - Fasciolariidae
Fusinus waltonensis
rare
Gastropoda - Neogastropoda - Columbellidae
Strombina lissa
common
Strombina ceryx
rare
Strombina waltonia Gardner 1947
recombined as Strombina (Strombina) waltonia
abundant
Gastropoda - Neogastropoda - Olividae
Oliva liodes Dall 1903
recombined as Oliva (Omogymna) liodes
abundant; O. liodes waltoniana n. subsp.
Gastropoda - Neogastropoda - Cystiscidae
Marginella (Gibberula) waltoniana Gardner 1947
rare
Gastropoda - Neogastropoda - Marginellidae
Marginella (Serrata) vadosa Gardner 1947
present
Gastropoda - Neogastropoda - Muricidae
Murex (Murex) nicholsi n. sp. Gardner 1947
present
Eupleura pterina n. sp.
rare
Urosalpinx tribaka
rare
Typhis (Talityphis) pterinus (Gardner 1936)
present
Gastropoda - Triviidae
Trivia vaughani Gardner 1947
rare
Gastropoda - Personidae
Personella floridana (Olsson and McGinty 1951)
replaced by Distorsio mcgintyi
rare
Gastropoda - Eulimidae
Strombiformis (Polygireulima) makista
original and current combination Polygireulima
present
Gastropoda - Turritellidae
Turritella (Torcula) waltonensis
original and current combination Torcula
prolific
Gastropoda - Planaxidae
Fossarus florius
rare
Scaphopoda - Gadilida - Gadilidae
Cadulus (Gadila) spiniformis Gardner 1947
rare
Scaphopoda - Dentaliida - Dentaliidae
Dentalium (Antalis) diopon n. sp.
original and current combination Antalis
abundant
Bivalvia - Nuculida - Nuculidae
Nucula chipolana
present; N. chipolana waltonia
Nucula defuniak
rare
Bivalvia - Nuculanida - Yoldiidae
Yoldia soror
abundant
Bivalvia - Nuculanida - Nuculanidae
Leda polychoa
synonym of Nuculana
common
Bivalvia - Arcida - Glycymerididae
Glycymeris waltonensis Gardner 1947
recombined as Costaglycymeris waltonensis
present
Bivalvia - Arcida - Arcidae
Arca (Diluvarca) waltonia n. sp.
spelled with current rank as Anadara (Diluvarca)
abundant
Arca (Diluvarca) santarosana n. sp. (Dall 1898)
recombined as Anadara (Diluvarca) santarosana
prolific
Bivalvia - Pectinida - Pectinidae
Pecten (Chlamys) nicholsi n. sp.
original and current combination Chlamys
abundant
Bivalvia - Lucinida - Lucinidae
Phacoides (Parvilucina) flumenvadosa
spelled with current rank as Parvilucina
abundant
Lucina santarosana Dall 1903
recombined as Pegophysema santarosana
present
Myrtaea waltonensis n. sp.
original and current combination Myrtea
present
Bivalvia - Pholadida - Corbulidae
Corbula (Caryocorbula) parawhitfieldi n. sp.
common
Corbula (Caryocorbula) seminella
abundant
Corbula waltonensis Gardner 1928
synonym of Varicorbula disparilis
abundant
Bivalvia - Cardiida - Leptonidae
Bornia virgata n. sp. Gardner 1942
recombined as Temblornia virgata
common
Bivalvia - Cardiida - Sportellidae
Sportella lioconcha
rare
Bivalvia - Cardiida - Mactridae
Spisula (Hemimactra) craspedota Gardner 1947
recombined as Spisula craspedota
present
Spisula (Hemimactra) valhosierr Gardner 1947
recombined as Leptomactra valhosierr
present
Bivalvia - Cardiida - Veneridae
Dosinia (Dosinidia) dalli Gardner 1947
rare
Venus nannodes Gardner 1947
recombined as Mercenaria nannodes
common
Chione (Lirophora) ceramota Gardner 1947
recombined as Lirophora (Lirophora) ceramota
abundant
Chione (Lirophora) trimeris Gardner 1947
recombined as Lirophora (Lirophora) trimeris
common
Macrocallista (Paradione) waltonensis
spelled with current rank as Pitar (Paradione)
rare
Callocardia (Agriopoma) prosayana n. sp.
common
Clementia grayi Dall 1900
recombined as Clementia (Egesta) grayi
common; ? in occurrence table
Petricola (Rupellaria) sp. (Fleuriau de Bellevue 1802)
original and current combination Rupellaria
rare
Bivalvia - Cardiida - Chamidae
Chama draconis Dall 1903
recombined as Arcinella draconis
rare; ? in occurrence table
Bivalvia - Cardiida - Ungulinidae
Diplodonta leptodoma
abundant
Bivalvia - Cardiida - Cardiidae
Cardium (Cerastoderma) taphrium Dall 1900
recombined as Dinocardium taphrium
rare
Cardium (Trachycardium) plectopleura
original and current combination Trachycardium
rare
Cardium (Trachycardium) ustrix n. sp.
original and current combination Trachycardium
present
Cardium (Cerastoderma) waltonianum Dall 1900
abundant
Bivalvia - Cardiida - Tellinidae
Tellina (Moerella) piesa Gardner 1947
present
Tellina (Phyllodina) leptalea Gardner 1947
present
Bivalvia - Cardiida - Semelidae
Abra cylicion n. sp.
rare
Bivalvia - Cardiida - Solecurtidae
Tagelus (Mesopleura) sp. ()
present
Bivalvia - Pandorida - Pandoridae
Pandora (Kennerleyia) dodona Dall 1903
recombined as Pandora (Pandorella) dodona
present
Bivalvia - Thraciida - Periplomatidae
Periploma discus n. sp. Stearns 1890
abundant
Bivalvia - Carditida - Crassatellidae
Crassatellites (Scambula) densus (Dall 1900)
recombined as Crassatella densus
present
Crassatellites (Crassinella) tanicus
original and current combination Crassinella
rare
see common names

Geography
Country:United States State/province:Florida County:Walton
Coordinates: 30.7° North, 86.1° West (view map)
Paleocoordinates:31.0° North, 83.4° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
Stage:Serravallian 10 m.y. bin:Cenozoic 5
Key time interval:Serravallian
Age range of interval:13.82000 - 11.63000 m.y. ago
Age estimate:12.4 Ma (Sr isotope)
Stratigraphy
Geological group:Alum Bluff Formation:Shoal River
Stratigraphic resolution:formation
Stratigraphy comments: 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.
Lithology and environment
Primary lithology: unlithified calcareous marl
Secondary lithology: unlithified calcareous sandstone
Lithology description: marls, sands, clays, for the most part unconsolidated, in places highly calcareous
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USGS
Metadata
Database number:42692
Authorizer:A. Miller, A. Hendy Enterer:K. Layou, A. Hendy
Modifier:A. Hendy Research group:GCP,marine invertebrate
Created:2004-08-04 10:46:02 Last modified:2012-12-05 20:52:26
Access level:the public Released:2004-08-04 10:46:02
Creative Commons license:CC BY
Reference information

Primary reference:
11206. 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]

Secondary references:

31308 S. E. Hoerle. 1976. The genus Conus (Mollusca: Gastropoda) from the Alum Bluff Group of northwestern Florida. Tulane Studies in Geology and Paleontology 12(1):1-31 [A. Hendy/A. Hendy]