Yoshii Fm Molluscan Fauna Locality 3 (Miocene of Japan)

Also known as Locality 3

Where: Japan (36.0° N, 139.0° E: paleocoordinates 38.7° N, 136.5° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Yoshii Formation, Miocene (23.0 - 5.3 Ma)

• formations cover unconformably the Paleozoic sedimentary rocks and crystalline shists

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; lithified sandstone and lithified siltstone

• Overlies Fukushima formation and underlies Itahana formation.
• The Yoshii formation is composed of alternation of sandstone and siltstone and sandy mudstone.

Primary reference: Y. Iwasaki. 1970. The Shiobara-type Molluscan Fauna: An ecological analysis of fossil molluscs. Journal of the faculty of science, University of Tokyo, Section 2 17(3):351-444 [A. Miller/K. Bulinski/K. Bulinski]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 52317: authorized by Arnold Miller, entered by Kate Bulinski on 03.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Nuculanidae
Saccella confusa pointed nut clam
 Nuculida - Nuculidae
Acila sp. Adams and Adams 1858 divaricate nutclam
 Pectinida - Pectinoidae
"Chlamys kaneharai" = Mimachlamys kaneharai
"Chlamys kaneharai" = Mimachlamys kaneharai Yokoyama 1926 scallop
Dominant species at locality
 Carditida - Crassatellidae
 Cardiida - Cardiidae
 Lucinida - Lucinidae
"Lucinoma annulata" = Lucinoma annulatum
"Lucinoma annulata" = Lucinoma annulatum Reeve 1850 clam
Gastropoda
 Neogastropoda - Turridae
? Turris sp. Röding 1798 turrid
 Neogastropoda - Buccinidae
Neptunea sp. Röding 1798 true whelk
 Sorbeoconcha - Naticidae
"Neverita kiritaniana" = Glossaulax didyma
"Neverita kiritaniana" = Glossaulax didyma Röding 1798 moon snail
 Cerithioidea - Turritellidae