Where: Fukui , Japan (35.5° N, 135.5° E: paleocoordinates 38.8° N, 132.7° E)
When: N8 foram zone, Kohnoura Member (Shimo Formation), Burdigalian to Burdigalian (20.4 - 13.8 Ma)
• Overlies Shiokumitohge Conglomerate and Sandstone Member and Najima Volcanic Rocks Member
• group of beds-level stratigraphic resolution
Environment/lithology: marginal marine; fine-grained, muddy sandstone and sandy mudstone
Size class: macrofossils
Primary reference: T. Nakagawa. 2009. Miocene tropical sandy and rocky bottom molluscan assemblages of the Shimo Formation, Uchiura Group, Fukui Prefecture, Central Japan. Bulletin of the Mizunami Fossil Museum 35:127-151 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 176560: authorized by Pete Wagner, entered by Pete Wagner on 17.02.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Cephalopoda | |
Aturia cubaensis Lea 1841 nautiloid | |
Gastropoda | |
Monodonta kanzakii top snail
Tectus (Rochia) japonicus Horikoshi 1958 top snail
Trochus sp. Linnaeus 1758 top snail | |
Turbo (Marmorostoma) ozawai Otuka 1938 snail | |
"Cernina nakamurai" = Cernina fluctuata nakamurai
"Cernina nakamurai" = Cernina fluctuata nakamurai Otuka 1938 snail | |
Euspira meisensis Makiyama 1926 moon snail | |
Mitra hirosei, "Strigatella notoensis" = Mitra (Strigatella)
Mitra hirosei mitre shell
"Strigatella notoensis" = Mitra (Strigatella) mitre shell | |
Sydaphera sp. Iredale 1929 snail | |
Conus (Asprella) toyamaensis, "Conus (Chelyconus) tokunagai" = Conus (Chelyoconus), "Conus (Chelyconus) sp." = Conus (Chelyoconus)
Conus (Asprella) toyamaensis cone shell
"Conus (Chelyconus) tokunagai" = Conus (Chelyoconus) cone shell
"Conus (Chelyconus) sp." = Conus (Chelyoconus) Mörch 1852 cone shell | |
Reticunassa sp. Iredale 1936 snail | |
Pugilina mimasakaensis snail | |
Siphonalia sp. Adams 1863 true whelk | |
Mitrella (Sulcomitrella) sp. Risso 1826 snail | |
Olivella iwakiensis olive snail | |
Rhizophorimurex capucinus, Rhizophorimurex cf. asano, Rhizophorimurex cf. notoensis, Murex (Murex) sp., "Mancinella minoensis" = Thais (Mancinella), Magilus sp.
Rhizophorimurex cf. asano murex snail
Rhizophorimurex cf. notoensis murex snail
Murex (Murex) sp. Linnaeus 1758 murex snail
Magilus sp. Monfort 1810 murex snail | |
Cypraea ohiroi Masuda 1967 cowry | |
Gyrineum osawanoensis triton shell | |
Vicaryella ancisa horn snail
Terebralia kannoi horn snail | |
Cerithium sp. Bruguière 1789 cerith snail | |
Scaphopoda | |
Laevidentalium sp. Cossmann 1888 tusk shell | |
Bivalvia | |
Scapharca sp. Gray 1847 clam | |
Anomia chinensis jingle | |
Chlamys sp., "Chlamys cf. arakawai" = Chlamys (Chlamys) arakawai
Chlamys sp. Röding 1798 scallop
"Chlamys cf. arakawai" = Chlamys (Chlamys) arakawai Nomura 1935 scallop | |
Crassostrea cf. gravitesta oyster
Crassostrea sunakozakaensis oyster
Ostrea cf. denselamellosa oyster | |
Mytilus coruscus mussel | |
? Lucinoma sp. Dall 1901 clam
Epicodakia yokoyamai clam | |
"Teredo" sp. Linnaeus 1758 clam | |
Zirfaea sp. Gray 1842 clam | |
Cardilia toyamaensis clam | |
"Phacosoma akaisiana" = Dosinia (Phacosoma)
"Phacosoma akaisiana" = Dosinia (Phacosoma) venus clam | |
? Nipponomarcia sp. Ikebe 1941 clam | |
Macoma sp. Leach 1819 tellin clam
Macoma (Rexithaerus) shiratoriensis tellin clam | |
Solen (Solen) sp. Linnaeus 1758 clam | |