Also known as USGS M-279d
Where: Ryukyu, Japan (24.4° N, 124.2° E: paleocoordinates 24.6° N, 123.9° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Bunera Clay Member (Nagura Gravel Formation), Late/Upper Pliocene (3.6 - 2.6 Ma)
• 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.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, gray, blue, silty, sandy, calcareous claystone
Size class: macrofossils
Preservation: original aragonite, original calcite
Reposited in the USNM
Collection methods: quarrying,
• Collections probably reposited in USGS and USNM. Identified by F.S. MacNeil
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 41594: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gastropoda | |
Calcar sp. Montfort 1810 snail | |
Bittium sp. Gray 1847 cerith snail
Clypeomorus cf. coralium cerith snail | |
cf. Nassarius dorsatus Röding 1798 snail | |
Fusinus gracillinus snail
cf. Fusinus cf. colus Linnaeus 1758 snail | |
Turris crispa turrid | |
? Cymatium sinense triton shell | |
Natica stellatus moon snail | |
Heliacus cf. dorsuosus snail | |
Bivalvia | |
Paphia aurabilis venus clam | |
Laevicardium cf. elongatum cockle |