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 | |
Turbo (Marmorostoma) ozawai Otuka 1938 snail | |
Monodonta kanzakii top snail
Tectus (Rochia) japonicus Horikoshi 1958 top snail
Trochus sp. Linnaeus 1758 top snail | |
Cerithium sp. Bruguière 1789 cerith snail | |
Vicaryella ancisa horn snail
Terebralia kannoi horn snail | |
"Cernina nakamurai" = Cernina fluctuata nakamurai
"Cernina nakamurai" = Cernina fluctuata nakamurai Otuka 1938 snail | |
Mitra hirosei, "Strigatella notoensis" = Mitra (Strigatella)
Mitra hirosei mitre shell
"Strigatella notoensis" = Mitra (Strigatella) mitre shell | |
Olivella iwakiensis olive snail | |
Siphonalia sp. Adams 1863 true whelk | |
Reticunassa sp. Iredale 1936 snail | |
Mitrella (Sulcomitrella) sp. Risso 1826 snail | |
Pugilina mimasakaensis snail | |
"Conus (Chelyconus) tokunagai" = Conus (Chelyoconus), "Conus (Chelyconus) sp." = Conus (Chelyoconus), Conus (Asprella) toyamaensis
"Conus (Chelyconus) tokunagai" = Conus (Chelyoconus) cone shell
"Conus (Chelyconus) sp." = Conus (Chelyoconus) Mörch 1852 cone shell
Conus (Asprella) toyamaensis cone shell | |
Magilus sp., "Mancinella minoensis" = Thais (Mancinella), Murex (Murex) sp., Rhizophorimurex capucinus, Rhizophorimurex cf. asano, Rhizophorimurex cf. notoensis
Magilus sp. Monfort 1810 murex snail
Murex (Murex) sp. Linnaeus 1758 murex snail
Rhizophorimurex cf. asano murex snail
Rhizophorimurex cf. notoensis murex snail | |
Sydaphera sp. Iredale 1929 snail | |
Gyrineum osawanoensis triton shell | |
Cypraea ohiroi Masuda 1967 cowry | |
Euspira meisensis Makiyama 1926 moon snail | |
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 | |
Epicodakia yokoyamai clam
? Lucinoma sp. Dall 1901 clam | |
"Teredo" sp. Linnaeus 1758 clam | |
Zirfaea sp. Gray 1842 clam | |
? Nipponomarcia sp. Ikebe 1941 clam | |
"Phacosoma akaisiana" = Dosinia (Phacosoma)
"Phacosoma akaisiana" = Dosinia (Phacosoma) venus clam | |
Cardilia toyamaensis clam | |
Macoma sp. Leach 1819 tellin clam
Macoma (Rexithaerus) shiratoriensis tellin clam | |
Solen (Solen) sp. Linnaeus 1758 clam | |
Scaphopoda | |
Laevidentalium sp. Cossmann 1888 tusk shell |