USGS M-277a, Ryukyu - Foster (1965): Late/Upper Pliocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Leucoma sp.
juvenile
Gastropoda - Trochidae
Astele (Callistele) sp. Cotton and Godfrey 1935
Gastropoda - Cerithiidae
Clypeomorus cf. coralium
Gastropoda - Turritellidae
Turritella cf. cingulifera Sowerby 1825
recombined as Turritella (Kurosioia) cingulifera
Gastropoda - Neogastropoda - Columbellidae
Anachis sp. Adams and Adams 1853
Gastropoda - Neogastropoda - Mangeliidae
Mangelia ? sp. (Loven 1846)
corrected as Cythara (Mangelia)
Gastropoda - Neogastropoda - Muricidae
Murex cf. ternispina
Bivalvia - Arcida - Arcidae
Striarca interplicata
Bivalvia - Pectinida - Pectinidae
Pecten aff. inaequivalvis Sowerby 1842
recombined as Haumea inaequivalvis
Bivalvia - Cardiida - Veneridae
Circe sp. Schumacher 1817
juvenile
Paphia aurabilis
Dosinia amphidesmoides
Bivalvia - Cardiida - Cardiidae
Laevicardium sp. Swainson 1840
juvenile
Bivalvia - Cardiida - Tellinidae
Tellina sp. Linnaeus 1758
Bivalvia - Carditida - Carditidae
Cardita (Cyclocardia) sp. (Conrad 1867)
original and current combination Cyclocardia
juvenile
Bivalvia - Nuculanida - Nuculanidae
Nuculana radiatelirata
see common names

Geography
Country:Japan State/province:Ryukyu County:Bunera
Coordinates: 24.4° North, 124.2° East (view map)
Paleocoordinates:24.6° North, 123.9° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Pliocene
Stage:Piacenzian 10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Pliocene
Age range of interval:3.60000 - 2.58800 m.y. ago
Stratigraphy
Geological group:Sakishima Formation:Nagura Gravel Member:Bunera Clay
Local section:USGS M-277 Local bed:a
Regional section:Bunera gawa
Stratigraphic resolution:bed
Stratigraphy comments: The Bunera Clay member of the Nagura Gravel is generally overlain by Pleistocene gravel deposits and may rest unconformably on schist. The clay's thickness is unknown, though is less than 5 m at its type section.
Lithology and environment
Primary lithology:gray,blue poorly lithified silty,sandy,calcareous claystone
Includes fossils?Y
Lithology description: Medium to dark gray or bluish gray. It is silty or sandy in places and slightly calcareous
Environment:offshore
Geology comments: Offshore marine habitat on a muddy bottom of moderate depth.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:all microfossils,some macrofossils
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: Collections probably reposited in USGS and USNM. Identified by F.S. MacNeil
Taxonomic list comments:Forams and plant fossils are present in the Bunera Clay Member at these locations by are not listed.
Metadata
Also known as:USGS M-277a
Database number:41601
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-07-17 20:35:15 Last modified:2013-11-25 13:37:23
Access level:the public Released:2004-07-17 20:35:15
Creative Commons license:CC BY
Reference information

Primary reference:

11144. H. L. Foster. 1965. Geology of Ishigaki-shima Ryukyu-retto. United States Geological Survey Professional Paper 399(A):1-119 [A. Miller/A. Hendy/A. Hendy]