USGS M-277a, Ryukyu - Foster (1965): Late/Upper Pliocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Leucoma sp.
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juvenile | ||||||||||
Gastropoda
- Trochidae
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Astele (Callistele) sp.
Cotton and Godfrey 1935
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Gastropoda
- Cerithiidae
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Clypeomorus cf. coralium
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Gastropoda
- Turritellidae
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Turritella cf. cingulifera
Sowerby 1825
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recombined as Turritella (Kurosioia) cingulifera | ||||||||||
Gastropoda
- Neogastropoda
- Columbellidae
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Anachis sp.
Adams and Adams 1853
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Gastropoda
- Neogastropoda
- Mangeliidae
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Mangelia ? sp.
(Loven 1846)
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corrected as Cythara (Mangelia) | ||||||||||
Gastropoda
- Neogastropoda
- Muricidae
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Murex cf. ternispina
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Bivalvia
- Arcida
- Arcidae
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Striarca interplicata
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Bivalvia
- Pectinida
- Pectinidae
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Pecten aff. inaequivalvis
Sowerby 1842
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recombined as Haumea inaequivalvis | ||||||||||
Bivalvia
- Cardiida
- Veneridae
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Circe sp.
Schumacher 1817
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juvenile | ||||||||||
Paphia aurabilis
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Dosinia amphidesmoides
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Bivalvia
- Cardiida
- Cardiidae
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Laevicardium sp.
Swainson 1840
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juvenile | ||||||||||
Bivalvia
- Cardiida
- Tellinidae
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Tellina sp.
Linnaeus 1758
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Bivalvia
- Carditida
- Carditidae
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Cardita (Cyclocardia) sp.
(Conrad 1867)
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original and current combination Cyclocardia | ||||||||||
juvenile | ||||||||||
Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana radiatelirata
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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] |