USGS Loc. 5184 - Shell Bluff [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 - Neotaenioglossa - Calyptraeidae
Calyptraea centralis (Conrad 1841)
rare
Crucibulum chipolanum (Dall 1892)
recombined as Crucibulum (Crucibulum) chipolanum
rare; ? in occurrence table, C. chipolanum dodoneum
Crucibulum constrictum (Conrad 1842)
recombined as Crucibulum (Dispotaea) constrictum
rare; C. constrictum conjuge
Gastropoda - Turritellidae
Turritella (Torcula) waltonensis
original and current combination Torcula
abundant
Gastropoda - Neogastropoda - Olividae
Oliva liodes Dall 1903
recombined as Oliva (Omogymna) liodes
present; O. liodes waltoniana
Gastropoda - Neogastropoda - Muricidae
Typhis (Talityphis) pterinus (Gardner 1936)
rare
Gastropoda - Neogastropoda - Marginellidae
Marginella (Serrata) vadosa Gardner 1947
rare
Gastropoda - Neogastropoda - Nassariidae
Uzita pedana
spelled with current rank as Nassarius (Uzita)
rare
Uzita waltonensis (Gardner 1936)
recombined as Nassarius (Uzita) waltonensis
rare
Gastropoda - Neogastropoda - Fasciolariidae
Fusinus waltonensis
rare
Gastropoda - Neogastropoda - Columbellidae
Strombina waltonia Gardner 1947
recombined as Strombina (Strombina) waltonia
common
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria waltoniana
common
Cancellaria pinguis Gardner 1947
recombined as Cancellaria (Cancellaria) pinguis
rare
Gastropoda - Neogastropoda - Conidae
Conus waltonensis Aldrich 1903
abundant; also C. waltonensis anodosus (common)
Gastropoda - Neogastropoda - Drilliidae
Eumetadrillia rabdotacona Gardner 1947
recombined as Agladrillia (Eumetadrillia) rabdotacona
rare; ? in occurrence table
Agladrillia empera Gardner 1938
recombined as Clathrodrillia empera
rare
Crassispira calligonoides Gardner 1938
recombined as Crassispira (Hindsiclava) calligonoides
rare
Gastropoda - Neogastropoda - Terebridae
Terebra (Strioterebrum) waltonensis Gardner 1947
recombined as Strioterebrum waltonensis
present; T. (S.) waltonensis tribaka (present)
Terebra (Paraterebra) odopoia
rare
Terebra (Paraterebra) ? sulcifera (Sowerby 1849)
rare
Gastropoda - Personidae
Personella floridana (Olsson and McGinty 1951)
replaced by Distorsio mcgintyi
rare
Gastropoda - Naticidae
Polinices (Neverita) eucallosus
original and current combination Neverita
present
Polinices robustus n. sp.
rare
Natica (Stigmaulax) guppiana Toula 1909
recombined as Stigmaulax guppiana
rare
Polinices judsoni (Maury 1910)
original and current combination Natica judsoni
common
Sinum waltonense
present
Gastropoda - Opisthobranchia - Cylichnidae
Acteocina sphalera
rare
Bivalvia - Carditida - Crassatellidae
Crassatellites (Scambula) densus (Dall 1900)
recombined as Crassatella densus
present
Bivalvia - Carditida - Astartidae
Astarte (Bythiamena) isosceles
rare
Bivalvia - Lucinida - Lucinidae
Divaricella waltonia
rare
Bivalvia - Hiatellida - Hiatellidae
Panope sp. Menard 1807
corrected as Panopea
rare; ? in occurrence table
Bivalvia - Pholadida - Corbulidae
Corbula waltonensis Gardner 1928
synonym of Varicorbula disparilis
rare
Bivalvia - Cardiida - Veneridae
Chione (Lirophora) trimeris Gardner 1947
recombined as Lirophora (Lirophora) trimeris
present
Venus nannodes Gardner 1947
recombined as Mercenaria nannodes
present
Callocardia (Agriopoma) prosayana
present
Macrocallista (Paradione) waltonensis
spelled with current rank as Pitar (Paradione)
present
Bivalvia - Cardiida - Mactridae
Spisula (Hemimactra) craspedota Gardner 1947
recombined as Spisula craspedota
rare
Bivalvia - Cardiida - Chamidae
Pseudochama (Echinochama) arcinella (Linnaeus 1767)
recombined as Arcinella arcinella
present
Bivalvia - Cardiida - Ungulinidae
Diplodonta leptodoma
rare
Bivalvia - Cardiida - Cardiidae
Cardium (Cerastoderma) panastrum
original and current combination Cerastoderma
rare; ? in occurrence table
Cardium (Cerastoderma) waltonianum Dall 1900
common
Cardium (Trachycardium) plectopleura
original and current combination Trachycardium
present
Bivalvia - Cardiida - Semelidae
Semele paramutica Gardner 1947
rare
Bivalvia - Arcida - Glycymerididae
Glycymeris waltonensis Gardner 1947
recombined as Costaglycymeris waltonensis
abundant
Bivalvia - Arcida - Arcidae
Arca (Diluvarca) waltonia
spelled with current rank as Anadara (Diluvarca)
present
Arca (Diluvarca) strebla Gardner 1947
recombined as Anadara (Diluvarca) strebla
rare
Lingulata - Discinida - Disciniidae
Discinisca aldrichi n. sp.
abundant
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: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:42875
Authorizer:A. Miller Enterer:K. Layou
Modifier:A. Hendy Research group:GCP,marine invertebrate
Created:2004-08-06 10:33:03 Last modified:2012-12-05 21:00:15
Access level:the public Released:2004-08-06 10:33:03
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]