Where: Japan (35.2° N, 139.7° E: paleocoordinates 36.5° N, 138.1° E)
• outcrop-level geographic resolution
When: Hatsuse Formation, Late/Upper Miocene (11.6 - 5.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Hatsuse Fm, which overlies the Misaki Fm and is overlain by the Miyata Fm. THICKNESS: From bed within formation which reaches 460 m in thickness. AGE: Late Miocene on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified, tuffaceous, conglomeratic sandstone
Size class: macrofossils
Preservation: cast, original calcite
Collection methods: surface (in situ),
• COLLECTOR: K. Okumara and Y. Yamagishi (1992). REPOSITORY: Dept of Natural Science, Naruto University of Education, Japan.
Primary reference: K. Okumura and Y. Yamagishi. 1992. Molluscan fauna from the Late Miocene Hatsuse Formation in the Miura Peninsula, Kanagawa Prefecture, Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 165:1009-1023 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 71049: authorized by Austin Hendy, entered by Austin Hendy on 15.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gastropoda | |
Crepidula cf. nidatoriensis slipper shell | |
Mikadotrochus cf. yoshiwarai Oazki 1954 snail | |
Scaphopoda | |
Fissidentalium cf. yokoyamai tusk shell | |
Bivalvia | |
Oxyperas bernardi clam | |
Azorinus abbreviatus clam | |
Clinocardium sp. Keen 1936 cockle
Laevicardium angustum cockle | |
"Anisocorbula cf. venusta" = Corbula (Anisocorbula), "Anisocorbula sp." = Corbula (Anisocorbula)
"Anisocorbula sp." = Corbula (Anisocorbula) Iredale 1930 clam | |
Amussiopecten akiyamaea scallop
Miyagipecten matsumoriensis Masuda 1952 scallop
Chlamys miurensis Yokoyama 1920 scallop | |
Glycymeris rotunda clam |