USGS Loc. 3748 - Summerville Mill [Shoal River Fm]: Serravallian, Florida

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Trochidae
Calliostoma flumenvadum Gardner 1947
rare
Gastropoda - Neogastropoda - Olividae
Oliva liodes Dall 1903
recombined as Oliva (Omogymna) liodes
present; O. liodes waltoniana
Gastropoda - Neogastropoda - Marginellidae
Marginella (Serrata) vadosa Gardner 1947
rare; M. (S.) vadosa ischna
Gastropoda - Neogastropoda - Buccinidae
Hesperisternia waltonianum
rare
Gastropoda - Neogastropoda - Nassariidae
Uzita pedana
spelled with current rank as Nassarius (Uzita)
? in occurrence table
Uzita nanna
spelled with current rank as Nassarius (Uzita)
rare
Uzita grapta
spelled with current rank as Nassarius (Uzita)
rare
Uzita waltonensis (Gardner 1936)
recombined as Nassarius (Uzita) waltonensis
present
Gastropoda - Neogastropoda - Melongenidae
Busycon dasum Gardner 1947
present
Gastropoda - Neogastropoda - Columbellidae
Nassarina trachea
rare
Strombina lissa
rare
Strombina waltonia Gardner 1947
recombined as Strombina (Strombina) waltonia
rare
Gastropoda - Neogastropoda - Costellariidae
Vexillum (Uromitra) triptum
original and current combination Uromitra
rare
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria subtiarophora
rare
Cancellaria waltoniana
present
Cancellaria spherotopleura
rare
Gastropoda - Neogastropoda - Turridae
Polystira (Pleuroliria) tenagos Gardner 1947
recombined as Polystira tenagos
rare
Gastropoda - Neogastropoda - Clathurellidae
Nannodiella nemorensis (Maury 1910)
rare
Gastropoda - Neogastropoda - Drilliidae
Eumetadrillia rabdotacona Gardner 1947
recombined as Agladrillia (Eumetadrillia) rabdotacona
present
Crassispira calligonoides Gardner 1938
recombined as Crassispira (Hindsiclava) calligonoides
rare
Gastropoda - Neogastropoda - Mangeliidae
"Mangelia" phrixae
corrected as Cythara (Mangelia)
rare
Kurtziella prionota
present
Gastropoda - Neogastropoda - Terebridae
Terebra (Strioterebrum) waltonensis Gardner 1947
recombined as Strioterebrum waltonensis
present; T. (S.) waltonensis tribaka (present)
Terebra (Strioterebrum) bipartita Sowerby 1849
present; ? in occurrence table
Gastropoda - Vitrinellidae
"Vitrinella" seminola n. sp.
rare
Gastropoda - Naticidae
Polinices (Neverita) eucallosus
original and current combination Neverita
abundant
Natica (Tectonatica) semen
original and current combination Tectonatica
prolific
Natica (Stigmaulax) guppiana Toula 1909
recombined as Stigmaulax guppiana
rare
Polinices judsoni (Maury 1910)
original and current combination Natica judsoni
rare; ? in occurrence table
Sinum waltonense
common
Gastropoda - Opisthobranchia - Cylichnidae
Cylichnella biplicata (Lea 1845)
common; ? in occurrence table
Cylichna anthera
present; ? in occurrence table
Acteocina sphalera
present
Gastropoda - Heterostropha - Ringiculidae
Ringicula semilimata
present
Gastropoda - Heterostropha - Acteonidae
Volvula phoinicoides
rare
Sulcularia prosulcata
present
Bivalvia - Nuculida - Nuculidae
Nucula defuniak
common
Bivalvia - Nuculanida - Nuculanidae
Leda polychoa
synonym of Nuculana
present; also L. polychoa defuniak (rare)
Bivalvia - Nuculanida - Yoldiidae
Yoldia soror n. sp.
present
Bivalvia - Carditida - Crassatellidae
Crassatellites (Crassinella) tanicus
original and current combination Crassinella
present
Crassatellites (Scambula) densus (Dall 1900)
recombined as Crassatella densus
rare
Bivalvia - Carditida - Astartidae
Astarte (Ashtarotha) sima
rare
Bivalvia - Lucinida - Lucinidae
Phacoides (Parvilucina) flumenvadosa
spelled with current rank as Parvilucina
abundant
Divaricella waltonia
rare
Lucina santarosana Dall 1903
recombined as Pegophysema santarosana
common
Bivalvia - Thraciida - Periplomatidae
Periploma discus Stearns 1890
rare
Bivalvia - Pholadida - Corbulidae
Corbula (Caryocorbula) parawhitfieldi
present
Corbula (Caryocorbula) seminella
common
Corbula waltonensis Gardner 1928
synonym of Varicorbula disparilis
rare
Bivalvia - Cardiida - Veneridae
Chione (Lirophora) trimeris Gardner 1947
recombined as Lirophora (Lirophora) trimeris
present; ? in occurrence table
Chione (Lirophora) ceramota Gardner 1947
recombined as Lirophora (Lirophora) ceramota
present; ? in occurrence table
Dosinia (Dosinidia) dalli Gardner 1947
present; ? in occurrence table
Venus nannodes Gardner 1947
recombined as Mercenaria nannodes
common; ? in occurrence table
Callocardia (Agriopoma) prosayana
present; ? in occurrence table
Bivalvia - Cardiida - Mactridae
Spisula (Hemimactra) valhosierr n. sp. Gardner 1947
recombined as Leptomactra valhosierr
present
Bivalvia - Cardiida - Kelliellidae
Alveinus micculus Gardner 1926
synonym of Alveinus rotundus
rare
Bivalvia - Cardiida - Ungulinidae
Diplodonta leptodoma
rare
Bivalvia - Cardiida - Cardiidae
Cardium (Cerastoderma) waltonianum Dall 1900
abundant
Bivalvia - Cardiida - Semelidae
Semele paramutica Gardner 1947
common
Ervilia condra n. sp.
present
Ervilia valhosierr Gardner 1928
common
Bivalvia - Cardiida - Tellinidae
Macoma (Psammacoma) torynoides Gardner 1947
recombined as Psammacoma torynoides
rare
Bivalvia - Cardiida - Lasaeidae
Aligena lineata
rare
Aligena sp. Lea 1843
rare
Aligena pustulosa Dall 1898
rare
Bivalvia - Arcida - Glycymerididae
Glycymeris waltonensis Gardner 1947
recombined as Costaglycymeris waltonensis
rare
Bivalvia - Arcida - Arcidae
Arca (Diluvarca) waltonia
spelled with current rank as Anadara (Diluvarca)
common
Trinacria meekii
rare
Bivalvia - Pectinida - Pectinidae
Pecten (Chlamys) nicholsi
original and current combination Chlamys
present
Scaphopoda - Dentaliida - Dentaliidae
Dentalium (Antalis) diopon
original and current combination Antalis
present
see common names

Geography
Country:United States State/province:Florida County:Walton
Coordinates: 30.7° North, 86.0° West (view map)
Paleocoordinates:31.0° North, 83.8° 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:bed
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:43014
Authorizer:A. Miller Enterer:K. Layou
Modifier:A. Hendy Research group:GCP,marine invertebrate
Created:2004-08-09 07:28:24 Last modified:2012-12-05 21:06:04
Access level:the public Released:2004-08-09 07:28:24
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]