USGS Loc. 9961 - Horse Creek [Oak Grove Sand] (Miocene of the United States)

Where: Okaloosa County, Florida (30.9° N, 86.6° W: paleocoordinates 31.3° N, 82.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• LITHOSTRATIGRAPHY: From the Oak Grove Fm of the Alum Bluff Gp, for which lithostratigraphic relationships are not discussed. AGE: late Early Miocene, on the basis of macro fossil biostratigraphy. STRATIGRAPHIC RELATIONS: From unknown position within formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; unlithified, gray, green, calcareous sandstone

• gray-green sands, 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 42678: authorized by Arnold Miller, entered by Karen Layou on 04.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Cerithioidea - Turritellidae
Turritella alcida, Turritella subgrundifera
Turritella alcida turret shell
present
Turritella subgrundifera Dall 1892 turret shell
rare
 Neotaenioglossa - Calyptraeidae
"Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum
"Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum Dall 1892 slipper shell
present; C. chipolnaum dodoneum
 Sorbeoconcha - Vermetidae
Petaloconchus sculpturatus
Petaloconchus sculpturatus Lea 1846 worm shell
present
 Sorbeoconcha - Naticidae
"Natica (Naticarius) precursor" = Naticarius precursor, "Polinices (Neverita) eucallosus" = Neverita
"Natica (Naticarius) precursor" = Naticarius precursor Gardner 1947 moon snail
rare
"Polinices (Neverita) eucallosus" = Neverita moon snail
rare
 Trochoidea - Trochidae
Chlorostoma (Omphalius) exolutum
Bivalvia
 Nuculanida - Yoldiidae
Yoldia frater
Yoldia frater clam
rare
 Nuculanida - Nuculanidae
"Leda polychoa" = Nuculana, "Leda dodona" = Nuculana
"Leda polychoa" = Nuculana pointed nut clam
present; ? in occurrence table, L. polychoa defuniak
"Leda dodona" = Nuculana pointed nut clam
rare
 Nuculida - Nuculidae
Nucula sinaria
Nucula sinaria Dall 1898 nut clam
common
 Ostreida - Ostreidae
Ostrea pauciplicata
Ostrea pauciplicata oyster
common
 Pectinida - Plicatulidae
Plicatula densata
Plicatula densata Conrad 1843 scallop
present
 Pectinida - Propeamussiidae
"Pecten (Pseudamussium) diktuotum n. sp." = Cyclopecten diktuotus
"Pecten (Pseudamussium) diktuotum n. sp." = Cyclopecten diktuotus Gardner 1926 mud scallop
present
 Pectinida - Pectinoidae
"Pecten (Chlamys) sayanus" = Chlamys, "Pecten (Chlamys) condylomatus" = Lyropecten condylomatus
"Pecten (Chlamys) sayanus" = Chlamys scallop
present
"Pecten (Chlamys) condylomatus" = Lyropecten condylomatus Dall 1898 scallop
rare
 Arcida - Glycymerididae
"Glycymeris drymanos" = Costaglycymeris drymanos
"Glycymeris drymanos" = Costaglycymeris drymanos Gardner 1926 clam
present
 Arcida - Arcidae
Diluvarca (Cunearca) cardioides, "Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana
Diluvarca (Cunearca) cardioides Gardner 1947 ark
rare
"Arca (Diluvarca) santarosana" = Anadara (Diluvarca) santarosana Dall 1898 ark
rare
 Lucinida - Lucinidae
"Phacoides (Linga) densatus" = Linga, Phacoides (Lucinisca) calhounensis, "Phacoides (Parvilucina) piluliformis" = Parvilucina, "Phacoides (Cardiolucina) trisulcatus" = Cavilinga trisulcata, "Phacoides (Miltha) chipolanus" = Miltha chipolana
"Phacoides (Linga) densatus" = Linga clam
rare; ? in occurrence table
Phacoides (Lucinisca) calhounensis Dall 1903 clam
rare; ? in occurrence table
"Phacoides (Parvilucina) piluliformis" = Parvilucina clam
abundant
"Phacoides (Cardiolucina) trisulcatus" = Cavilinga trisulcata Conrad 1841 clam
rare; ? in occurrence table
"Phacoides (Miltha) chipolanus" = Miltha chipolana Dall 1903 clam
present
 Pholadida - Corbulidae
"Corbula (Caryocorbula) whitfieldi" = Cuneocorbula whitfieldi, Corbula (Caryocorbula) seminella, "Corbula waltonensis" = Varicorbula disparilis
"Corbula (Caryocorbula) whitfieldi" = Cuneocorbula whitfieldi Brown 1905 clam
common
"Corbula waltonensis" = Varicorbula disparilis d'Orbigny 1853 clam
common
 Cardiida - Mactridae
"Spisula (Hemimactra) densa" = Hemimactra
"Spisula (Hemimactra) densa" = Hemimactra clam
abundant
 Cardiida - Chamidae
Pseudochama chipolana
Pseudochama chipolana jewel box
present
 Cardiida - Ungulinidae
Diplodonta sphaeromorpha
Diplodonta sphaeromorpha clam
rare; nucleiformis subsp.?
 Cardiida - Cardiidae
"Cardium (Fragum) apateticum" = Fragum, "Cardium (Cerastoderma) taphrium" = Dinocardium taphrium, "Cardium (Cerastoderma) panastrum" = Cerastoderma
"Cardium (Fragum) apateticum" = Fragum cockle
present
"Cardium (Cerastoderma) taphrium" = Dinocardium taphrium Dall 1900 cockle
rare
"Cardium (Cerastoderma) panastrum" = Cerastoderma cockle
rare
 Cardiida - Tellinidae
Tellina (Moerella) acalypta
Tellina (Moerella) acalypta Dall 1900 tellin clam
rare
 Cardiida - Semelidae
Semele compacta, Semele (Semelina) striulata, Ervilia chipolana
Semele compacta clam
rare
Ervilia chipolana Dall 1898 clam
rare
 Cardiida - Sportellidae
Sportella unicarinata
 Carditida - Crassatellidae
"Crassatellites (Crassinella) tanicus" = Crassinella
"Crassatellites (Crassinella) tanicus" = Crassinella clam
abundant
 Carditida - Carditidae
Venericardia (Pleuromeris) scitula
Venericardia (Pleuromeris) scitula Dall 1903 clam
abundant
 Carditida - Astartidae
Astarte (Bythiamena) wagneri