PBDB Collection

USGS Loc. 7257 - Tenmile Creek, Sexton's marl bed [Chipola Fm] (Miocene of the United States)

Where: Calhoun County, Florida (30.4° N, 85.2° W: paleocoordinates 30.8° N, 81.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chipola Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)

• AGE: Direct date from 87Sr/86Sr isotope dating of fossils from elsewhere in Chipola Fm [=Burdigalian age].

• group of beds-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 42281: authorized by Arnold Miller, entered by Karen Layou on 27.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Bivalvia
Nuculanida - Yoldiidae	Yoldia frater Yoldia frater clam present
Nuculanida - Nuculanidae	"Leda canonica" = Saccella canonica, "Leda proteracuta n. sp." = Nuculana "Leda canonica" = Saccella canonica Dall 1890 pointed nut clam present "Leda proteracuta n. sp." = Nuculana pointed nut clam present; also L. proteracuta dystakta (rare), L. proteracuta leita n. subsp. (present), and L. proteracuta diamesa n. subsp. (present)
Nuculida - Nuculidae	Nucula chipolana Nucula chipolana nut clam common
Carditida - Carditidae	Venericardia (Pleuromeris) tellia, "Cardita (Carditamera) apotegea" = Carditamera, "Venericardia hadra" = Venericardia (Glyptoactis) hadra Venericardia (Pleuromeris) tellia Dall 1903 clam rare "Cardita (Carditamera) apotegea" = Carditamera clam rare "Venericardia hadra" = Venericardia (Glyptoactis) hadra Dall 1903 clam rare
Carditida - Crassatellidae	Crassatellites (Crassinella) triangulatus Crassatellites (Crassinella) triangulatus Dall 1900 clam present
Poromyida - Spheniopsidae	Spheniopsis americana Spheniopsis americana clam rare
Poromyida - Verticordiidae	Verticordia dalli Verticordia dalli clam rare
Pholadida - Corbulidae	"Corbula (Bothrocorbula) synarmostes" = Bothrocorbula synarmostes, "Corbula chipolana" = Varicorbula chipolana, Corbula (Caryocorbula) semenoides "Corbula (Bothrocorbula) synarmostes" = Bothrocorbula synarmostes Dall 1898 clam present "Corbula chipolana" = Varicorbula chipolana Gardner 1928 clam present Corbula (Caryocorbula) semenoides clam present
Cardiida - Cardiidae	"Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum, "Cardium (Laevicardium) compressum" = Laevicardium compressum, "Cardium (Fragum) burnsii" = Americardia burnsii "Cardium (Cerastoderma) chipolanum" = Cerastoderma chipolanum Dall 1900 cockle rare "Cardium (Laevicardium) compressum" = Laevicardium compressum Dall 1900 cockle present "Cardium (Fragum) burnsii" = Americardia burnsii Dall 1900 cockle rare
Cardiida - Semelidae	Ervilia chipolana Ervilia chipolana Dall 1898 clam present
Cardiida - Tellinidae	Tellina (Moerella) acosmita, Macoma (Psammacoma) marmorea n. sp. Tellina (Moerella) acosmita Dall 1900 tellin clam present Macoma (Psammacoma) marmorea n. sp. Gardner 1947 tellin clam present
Cardiida - Erycinidae	Erycina undosa Erycina undosa clam rare
Cardiida - Ungulinidae	Diplodonta (Phlyctiderma) glos Diplodonta (Phlyctiderma) glos clam present
Cardiida - Chamidae	"Chama draconis" = Arcinella draconis "Chama draconis" = Arcinella draconis Dall 1903 jewel box rare
Cardiida - Veneridae	"Chione (Lirophora) burnsii" = Lirophora, "Dosinia (Dosinidia) chipolana" = Dosinia chipolana, "Transenella chipolana" = Transennella, "Macrocallista (Paradione) maculata" = Macrocallista maculata, Pitaria floridana, "Gafrarium (Gouldia) erosum" = Gouldia "Chione (Lirophora) burnsii" = Lirophora venus clam present "Dosinia (Dosinidia) chipolana" = Dosinia chipolana Dall 1903 venus clam rare; ? in occurrence table "Transenella chipolana" = Transennella venus clam rare "Macrocallista (Paradione) maculata" = Macrocallista maculata Linnaeus 1758 venus clam present Pitaria floridana venus clam present; ? in occurrence "Gafrarium (Gouldia) erosum" = Gouldia venus clam present; G. (G.) erosum bolteni, ? in occurrence table
Lucinida - Lucinidae	Phacoides (Lucinisca) calhounensis, "Phacoides (Parvilucina) sphaeriolus" = Parvilucina, "Codakia (Jagonia) erosa" = Ctena Phacoides (Lucinisca) calhounensis Dall 1903 clam rare "Phacoides (Parvilucina) sphaeriolus" = Parvilucina clam present; also P. (P.) sphaeriolus angaleus n. subsp. (present) "Codakia (Jagonia) erosa" = Ctena clam rare
Pectinida - Pectinoidae	"Pecten (Chlamys) chipolanus" = Lindapecten chipolanus "Pecten (Chlamys) chipolanus" = Lindapecten chipolanus Dall 1898 scallop rare; ? in occurrence table
Arcida - Arcidae	"Arca (Diluvarca) hypomela" = Anadara (Diluvarca), "Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana "Arca (Diluvarca) hypomela" = Anadara (Diluvarca) ark rare "Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana Dall 1898 ark present; A. (D.) santarosana geraetera
Scaphopoda
Gadilida - Gadilidae	"Cadulus (Polyschides) lobion" = Polyschides "Cadulus (Polyschides) lobion" = Polyschides tusk shell present
Dentaliida - Gadilinidae	"Dentalium (Episiphon) schumoi" = Episiphon "Dentalium (Episiphon) schumoi" = Episiphon tusk shell rare
Gastropoda
Opisthobranchia - Haminoeidae	Haminoea pompholyx Haminoea pompholyx snail rare [entered as Haminaea pompholyx]
Opisthobranchia - Retusidae	"Volvula oxytata" = Volvulella (Volvulella) oxytata "Volvula oxytata" = Volvulella (Volvulella) oxytata Bush 1885 snail rare
Opisthobranchia - Cylichnidae	Acteocina incisula, Acteocina fischeri Acteocina incisula barrel-bubble both rare; A. incisula curtoides and A. incisula kolos Acteocina fischeri barrel-bubble rare
Thecosomata - Cavoliniidae	Vaginella chipolana Vaginella chipolana Dall 1892 snail present
Heterostropha - Acteonidae	Sulcularia chipolana Sulcularia chipolana snail rare
Lepetellida - Fissurellidae	Diodora chipolana Diodora chipolana Dall 1892 snail rare
Neotaenioglossa - Calyptraeidae	Calyptraea centralis Calyptraea centralis Conrad 1841 slipper shell rare
Neogastropoda - Olividae	Olivella oryzoides Olivella oryzoides olive snail present
Neogastropoda - Mitridae	Mitra (Pleioptygma) prodroma Mitra (Pleioptygma) prodroma mitre shell rare
Neogastropoda - Nassariidae	Engoniophos glyptus, "Uzita cinclis" = Nassarius (Uzita) cinclis Engoniophos glyptus snail rare "Uzita cinclis" = Nassarius (Uzita) cinclis Gardner 1944 snail rare
Neogastropoda - Columbellidae	Mitrella oryzoides Mitrella oryzoides Gardner 1947 snail rare
Neogastropoda - Mangeliidae	? Ithycythara radinos, "Mangelia sextoni n. sp." = Cythara (Mangelia), ""Cythara" barbadoides" = Cytharella barbadoides ? Ithycythara radinos snail rare "Mangelia sextoni n. sp." = Cythara (Mangelia) snail rare ""Cythara" barbadoides" = Cytharella barbadoides Gardner 1938 snail rare
Sorbeoconcha - Naticidae	"Natica (Naticarius) precursor" = Naticarius precursor, "Natica (Tectonatica) semen" = Tectonatica "Natica (Naticarius) precursor" = Naticarius precursor Gardner 1947 moon snail rare "Natica (Tectonatica) semen" = Tectonatica moon snail rare