Where: Japan (24.5° N, 124.3° E: paleocoordinates 28.5° N, 122.3° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Miyara Formation, Priabonian (38.0 - 33.9 Ma)
• The Miyara Formation (same as the Miyaragawa Formation) consists essentially of reefal limestone containing Priabonian larger foraminifera such as Nummulites saipanensis, Pellatispira madraszi, and so on.
• group of beds-level stratigraphic resolution
Environment/lithology: shoreface; lithified, pebbly sandstone
Size class: macrofossils
Collection methods: Repository: National Science Museum, Tokyo
Primary reference: H. Noda, H. Nakagawa, N. Doi and Y. Kikuchi. 2001. First occurrence of Eocene nautilids from the Miyaragawa Formation in Ishigaki-jima Island the Ryukyus, southwest Japan. Bulletin of the National Science Museum, Tokyo, Series C 27:89-100 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 179914: authorized by Matthew Clapham, entered by Matthew Clapham on 03.07.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Lunella miyarensis" = Turbo (Lunella)
"Lunella miyarensis" = Turbo (Lunella) snail | |
Colpospira (Acutospira) kotakai turret shell | |
Vicarya yabei Kamada 1960 horn snail | |
Caricella fosteri volute | |
Terebra miyarensis auger snail | |
Buccinidae indet. Rafinesque 1815 true whelk
Pseudoliva japonica true whelk | |
Euspira sp. Agassiz 1837 moon snail | |
Scaphander sp. Monfort 1810 snail | |
Bivalvia | |
Veneridae indet. Rafinesque 1815 venus clam | |
Ostrea sp. Linnaeus 1758 oyster | |
Lima sp. Bruguière 1797 file clam | |
Cephalopoda | |
Eutrephoceras japonicus Shimizu 1926 | |
Aturia yokoyamai Nagao 1926 |