USGS Loc. 5079 - Shell Bluff [Shoal River Fm] (Miocene of the United States)

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

• marls, sands, clays, for the most part unconsolidated, in places highly calcareous

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 42886: authorized by Arnold Miller, entered by Karen Layou on 06.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scaphopoda
 Gadilida - Gadilidae
Cadulus (Gadila) spiniformis n. sp.
Cadulus (Gadila) spiniformis n. sp. Gardner 1947 tusk shell
rare
Gastropoda
 Heterostropha - Ringiculidae
Ringicula semilimata
 Opisthobranchia - Bullidae
Bulla striata
Bulla striata Bruguiére 1792 snail
common; B. striata waltonensis n. subsp.
 Opisthobranchia - Retusidae
"Volvula oxytata" = Volvulella (Volvulella) oxytata
"Volvula oxytata" = Volvulella (Volvulella) oxytata Bush 1885 snail
rare; V. oxytata dodona
 Opisthobranchia - Cylichnidae
Cylichna anthera, Acteocina sphalera, Acteocina rusa
Cylichna anthera snail
present; ? in occurrence table
Acteocina sphalera barrel-bubble
abundant
Acteocina rusa barrel-bubble
common
 Neritoidea - Neritidae
Smaragdia grammica n. sp.
Smaragdia grammica n. sp. snail
rare
 Cerithioidea - Planaxidae
Fossarus florius
Fossarus florius snail
rare
 Neotaenioglossa - Calyptraeidae
Crepidula fornicata, "Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum, Crucibulum multilineatum, "Crucibulum waltonense" = Crucibulum (Dispotaea) waltonense, Calyptraea centralis
Crepidula fornicata Linnaeus 1758 slipper shell
present
"Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum Dall 1892 slipper shell
present; C. chipolanum dodoneum
Crucibulum multilineatum Conrad 1842 slipper shell
present
"Crucibulum waltonense" = Crucibulum (Dispotaea) waltonense Gardner 1947 slipper shell
rare; ? in occurrence table
Calyptraea centralis Conrad 1841 slipper shell
present
 Sorbeoconcha - Naticidae
"Polinices (Neverita) eucallosus" = Neverita, "Polinices (Neverita) chipolanus" = Neverita chipolanus, "Natica (Naticarius) precursor" = Naticarius precursor, "Natica (Tectonatica) mino" = Tectonatica, "Natica (Tectonatica) semen" = Tectonatica, "Polinices judsoni" = Natica judsoni
"Polinices (Neverita) eucallosus" = Neverita moon snail
common
"Polinices (Neverita) chipolanus" = Neverita chipolanus Dall 1892 moon snail
common
"Natica (Naticarius) precursor" = Naticarius precursor Gardner 1947 moon snail
rare
"Natica (Tectonatica) mino" = Tectonatica moon snail
rare
"Natica (Tectonatica) semen" = Tectonatica moon snail
common
"Polinices judsoni" = Natica judsoni Maury 1910 moon snail
rare; ? in occurrence table
 Sorbeoconcha - Vitrinellidae
"Circulus" trilix
"Circulus" trilix snail
rare
 Sorbeoconcha - Caecidae
Caecum pararegulare
 Neogastropoda - Columbellidae
Strombina lampra, Mitrella tytha n. sp.
Strombina lampra snail
rare
Mitrella tytha n. sp. snail
common
 Neogastropoda - Nassariidae
"Uzita dasa n. sp." = Nassarius (Uzita), "Uzita prista n. sp." = Nassarius (Uzita), "Uzita waltonensis" = Nassarius (Uzita) waltonensis
"Uzita dasa n. sp." = Nassarius (Uzita) snail
present
"Uzita prista n. sp." = Nassarius (Uzita) snail
present
"Uzita waltonensis" = Nassarius (Uzita) waltonensis Gardner 1936 snail
abundant; U. waltonensis deleta
 Neogastropoda - Melongenidae
Busycon aldrichi n. sp.
Busycon aldrichi n. sp. Gardner 1947 whelk
rare
 Neogastropoda - Cancellariidae
"Cancellaria (Trigonostoma) sphenoidostoma" = Trigonostoma, Cancellaria druidarum, "Cancellaria (Narona) atraktoides" = Narona, "Cancellaria runchaena" = Cancellaria (Massyla) runchaena
"Cancellaria (Trigonostoma) sphenoidostoma" = Trigonostoma snail
rare
Cancellaria druidarum snail
present
"Cancellaria (Narona) atraktoides" = Narona snail
present
"Cancellaria runchaena" = Cancellaria (Massyla) runchaena Gardner 1947 snail
rare
 Neogastropoda - Drilliidae
"Agladrillia subvaricosa n. sp." = Clathrodrillia subvaricosa
"Agladrillia subvaricosa n. sp." = Clathrodrillia subvaricosa Gardner 1938 snail
rare
 Neogastropoda - Mangeliidae
Kurtziella stephanophora n. sp.
Kurtziella stephanophora n. sp. snail
present
 Neogastropoda - Terebridae
"Terebra (Strioterebrum) spirifera" = Strioterebrum spiriferum
"Terebra (Strioterebrum) spirifera" = Strioterebrum spiriferum Dall 1895 auger snail
rare
 Neogastropoda - Clavatulidae
Clavatula proebenina n. sp.
Clavatula proebenina n. sp. snail
rare
 Neogastropoda - Olividae
Olivella cotinados, "Oliva liodes" = Oliva (Omogymna) liodes
Olivella cotinados olive snail
present
"Oliva liodes" = Oliva (Omogymna) liodes Dall 1903 olive snail
rare; ? in occurrence table, O. liodes waltoniana
 Neogastropoda - Costellariidae
"Vexillum (Uromitra) triptum" = Uromitra
"Vexillum (Uromitra) triptum" = Uromitra ribbed mitre
rare
 Neogastropoda - Marginellidae
Marginella (Serrata) denticulatoides
Marginella (Serrata) denticulatoides Maury 1910 margin shell
present
 Neogastropoda - Muricidae
"Murex (? Chicoreus) pyknos" = Chicoreus
"Murex (? Chicoreus) pyknos" = Chicoreus murex snail
common; ? in occurrence table
 Vanikoroidea - Eulimidae
Strombiformis ischna n. sp.
Strombiformis ischna n. sp. snail
rare
Bivalvia
 Nuculanida - Nuculanidae
"Leda polychoa" = Nuculana, "Leda dodona" = Nuculana
"Leda polychoa" = Nuculana pointed nut clam
rare; ? in occurrence table, also L. polychoa defuniak (rare)
"Leda dodona" = Nuculana pointed nut clam
present; ? in occurrence table
 Nuculida - Nuculidae
Nucula defuniak
Nucula defuniak nut clam
present
 Pectinida - Pectinoidae
"Pecten (Chlamys) nicholsi" = Chlamys
"Pecten (Chlamys) nicholsi" = Chlamys scallop
abundant; ? in occurrence table
 Pectinida - Anomiidae
Anomia floridana
Anomia floridana jingle
common
 Arcida - Arcidae
"Arca (Diluvarca) waltonia" = Anadara (Diluvarca)
"Arca (Diluvarca) waltonia" = Anadara (Diluvarca) ark
abundant; ? in occurrence table
 Arcida - Glycymerididae
"Glycymeris waltonensis" = Costaglycymeris waltonensis
"Glycymeris waltonensis" = Costaglycymeris waltonensis Gardner 1947 clam
common
 Cardiida - Sportellidae
Sportella lioconcha
Sportella lioconcha clam
present
 Cardiida - Lasaeidae
Aligena lineata
Aligena lineata aligena
present
 Cardiida - Cardiidae
"Cardium (Cerastoderma) taphrium" = Dinocardium taphrium, "Cardium (Fragum) apateticum" = Fragum
"Cardium (Cerastoderma) taphrium" = Dinocardium taphrium Dall 1900 cockle
common
"Cardium (Fragum) apateticum" = Fragum cockle
present
 Cardiida - Semelidae
Ervilia chipolana, Ervilia planata, Ervilia valhosierr n. sp., Semele taracodes n. sp.
Ervilia chipolana Dall 1898 clam
rare; ? in occurrence table
Ervilia planata Dall 1898 clam
rare; ? in occurrence table
Ervilia valhosierr n. sp. Gardner 1928 clam
prolific
Semele taracodes n. sp. clam
present
 Cardiida - Donacidae
Donax (Paradonax) valhosierr
 Cardiida - Tellinidae
Strigilla sphaerion n. sp., Tellina (Moerella) piesa, "Macoma (Psammacoma) torynoides" = Psammacoma torynoides
Strigilla sphaerion n. sp. Gardner 1947 tellin clam
common
Tellina (Moerella) piesa Gardner 1947 tellin clam
common
"Macoma (Psammacoma) torynoides" = Psammacoma torynoides Gardner 1947 tellin clam
rare
 Cardiida - Ungulinidae
Diplodonta leptodoma
 Cardiida - Veneridae
"Chione (Lirophora) funiakensis" = Lirophora (Panchione) funiakensis, Dosinia (Dosinidia) dalli, "Macrocallista (Paradione) waltonensis" = Pitar (Paradione), "Clementia grayi" = Clementia (Egesta) grayi, Pitaria waltonensis
"Chione (Lirophora) funiakensis" = Lirophora (Panchione) funiakensis Gardner 1947 venus clam
common; ? in occurrence table
Dosinia (Dosinidia) dalli Gardner 1947 venus clam
common
"Macrocallista (Paradione) waltonensis" = Pitar (Paradione) venus clam
common
"Clementia grayi" = Clementia (Egesta) grayi Dall 1900 venus clam
rare; ? in occurrence table
Pitaria waltonensis venus clam
rare
 Cardiida - Mactridae
"Spisula (Hemimactra) craspedota n. sp." = Spisula craspedota
"Spisula (Hemimactra) craspedota n. sp." = Spisula craspedota Gardner 1947 clam
prolific
 Cardiida - Kelliidae
Bornia dodona
Bornia dodona clam
common
 Pholadida - Corbulidae
"Corbula (Caryocorbula) whitfieldi" = Cuneocorbula whitfieldi, "Corbula waltonensis n. sp." = Varicorbula disparilis, Corbula (Caryocorbula) parawhitfieldi, Corbula (Caryocorbula) seminella
"Corbula (Caryocorbula) whitfieldi" = Cuneocorbula whitfieldi Brown 1905 clam
common
"Corbula waltonensis n. sp." = Varicorbula disparilis d'Orbigny 1853 clam
prolific
Corbula (Caryocorbula) parawhitfieldi clam
rare; ? in occurrence table
 Solenida - Pharidae
Ensis cf. directus
Ensis cf. directus Conrad 1844 clam
common
 Pandorida - Pandoridae
"Pandora (Kennerleyia) dodona" = Pandora (Pandorella) dodona
"Pandora (Kennerleyia) dodona" = Pandora (Pandorella) dodona Dall 1903 clam
common
 Thraciida - Thraciidae
Thracia sp.
Thracia sp. Blainville 1824 clam
rare
 Lucinida - Lucinidae
"Phacoides (Parvilucina) vaughani n. sp." = Parvilucina, "Lucina santarosana" = Pegophysema santarosana, "Phacoides (Pseudomiltha) paranodonta" = Pseudomiltha
"Phacoides (Parvilucina) vaughani n. sp." = Parvilucina clam
prolific
"Lucina santarosana" = Pegophysema santarosana Dall 1903 clam
present
"Phacoides (Pseudomiltha) paranodonta" = Pseudomiltha clam
rare
 Carditida - Crassatellidae
"Crassatellites (Scambula) densus" = Crassatella densus, "Crassatellites (Crassinella) tanicus" = Crassinella
"Crassatellites (Scambula) densus" = Crassatella densus Dall 1900 clam
rare
"Crassatellites (Crassinella) tanicus" = Crassinella clam
abundant
 Carditida - Astartidae
Astarte eugonia n. sp., Astarte (Ashtarotha) sima
Astarte eugonia n. sp. clam
rare