Miyatsu, upper stream of the Miyatsu-gawa, Tsurikake Fm (Miocene of Japan)

Where: Japan (42.2° N, 139.5° E: paleocoordinates 46.4° N, 136.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tsurikake Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

Environment/lithology: shallow subtidal; breccia and sandstone

• Tuff breccia or agglomeratic conglomerate, occasionally interbedded

•with tuffaceous coarse grained sandstone in the upper

•part.

Size classes: macrofossils, mesofossils

Primary reference: S. Uozumi. 1966. Neogene Molluscan Fauna in Hokkaido : Part II. Description of the Okushiri Fauna Associated with Vicarya, from Okushiri Island, Southwest Hokkaido. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy 13(2):139-164 [W. Kiessling/M. Krause/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173083: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 09.09.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Hexactinellida
 Hexactinosa - Aphrocallistidae
Aphrocallistes sp. Gray 1858 glass sponge
Gastropoda
 Trochoidea - Trochidae
Calliostoma sp. Swainson 1840 top snail
 Cerithioidea - Potamididae
Vicaryella notoensis Masuda 1956 horn snail
Cerithidea sp. Swainson 1840 horn snail
Cerithidea cf. tokunariensis Masuda 1956 horn snail
Vicarya yokayamai horn snail
 Neogastropoda - Muricidae
Chicoreus asanoi Masuda 1956 murex snail
Murex sp. Linnaeus 1758 murex snail
 Neogastropoda - Buccinidae
Babylonia kozaiensis Nomura 1939 true whelk
 Sorbeoconcha - Naticidae
Polinices sp. Monfort 1810 moon snail
Bivalvia
 Solenida - Solenidae
 Solenida - Pharidae
Cultellus izumoensis Yokoyama 1923 clam
 Cardiida -
Nipponomarcia nakamurai Ikebe 1941 clam
 Cardiida - Veneridae
Dosinia nomurai Otuka 1934 venus clam
Venerupis sp. Lamarck 1818 venus clam
 Cardiida - Ungulinidae
Diplodonta ferruginata Makiyama 1926 clam
 Cardiida - Cardiidae
Clinocardium okushirense Uozumi and Fujie 1966 cockle
 Cardiida - Tellinidae
Macoma sp. Leach 1819 tellin clam
"Tellina" sp. Linnaeus 1758 tellin clam
 Cardiida - Psammobiidae
 Arcida - Arcidae
 Ostreida - Ostreidae
 Pectinida - Anomiidae
"Monia sp." = Pododesmus (Monia)
"Monia sp." = Pododesmus (Monia) Gray 1850 scallop
 Pectinida - Pectinoidae
Mizuhopecten kimurai Yokoyama 1925 scallop