Also known as USGS M-277c
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 41600: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
| |
Gastropoda | |
Clypeomorus cf. coralium cerith snail | |
"Turritella cf. cingulifera" = Turritella (Kurosioia) cingulifera
"Turritella cf. cingulifera" = Turritella (Kurosioia) cingulifera Sowerby 1825 turret shell | |
Tibia aff. fusus, "Canarium (Labiostrombus) cf. niasense" = Strombus (Labiostrombus)
Tibia aff. fusus true conch
"Canarium (Labiostrombus) cf. niasense" = Strombus (Labiostrombus) conch | |
Fusinus cf. colus Linnaeus 1758 snail | |
Anachis (Costoanachis) sp. Sacco 1890 snail | |
| |
"Mangelia sp." = Cythara (Mangelia)
"Mangelia sp." = Cythara (Mangelia) Loven 1846 snail | |
| |
Murex cf. ternispira murex snail | |
"Cymatium (Lampusia) cf. pileare" = Monoplex pilearis
"Cymatium (Lampusia) cf. pileare" = Monoplex pilearis Linnaeus 1758 triton shell | |
Staphylaea cf. limacina Lamarck 1810 cowry | |
Natica stellatus moon snail | |
Architectonica sp. Röding 1798 sundial | |
Bivalvia | |
| |
Chlamys cf. gracilisquamosa, "Chlamys cf. squamata" = Chlamys (Azumapecten) squamata, "Chlamys pallium" = Gloripallium pallium, Amusium sp.
Chlamys cf. gracilisquamosa scallop
"Chlamys cf. squamata" = Chlamys (Azumapecten) squamata Gmelin 1791 scallop
"Chlamys pallium" = Gloripallium pallium Linnaeus 1758 royal cloak scallop | |
"Ostrea hyotis" = Hyotissa hyotis
"Ostrea hyotis" = Hyotissa hyotis Linnaeus 1758 Honeycomb Oyster | |
Kuphus sp. Guettard 1770 clam | |
Chama cf. dunkeri jewel box | |
Circe (Redicirce) sp. venus clam
Dosinia amphidesmoides venus clam
Dosinia aff. steinmanni venus clam | |
Tellina sp. Linnaeus 1758 tellin clam |