Sample B (siltstone facies), [Akasawa Silt] (Pleistocene of Japan)

Where: Japan (34.7° N, 137.3° E: paleocoordinates 34.8° N, 137.1° E)

• outcrop-level geographic resolution

When: Akasawa Silt Formation (Toyohashi Group), Pleistocene (2.6 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Akasawa Silt, which overlies the Takatsuka Gravel, and is overlain by the Toshima Sand. AGE: Pleistocene. STRATIGRAPHIC POSITION: From basal facies of the formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified siltstone


Size class: macrofossils

Collected by Hayasaka

Collection methods: surface (in situ),

• COLLECTOR: S. Hayasaka. REPOSITORY: Possibly Tohoku University.

Primary reference: S. Hayasaka. 1962. Summary of the geology and paleontology of the Atsumi Peninsula, Aichi Prefecture, Japan. Science reports of the Tohoku Imperial University. 2nd series, Geology 195-217 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 96947: authorized by Austin Hendy, entered by Austin Hendy on 13.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Not an authoritative publication, with antiquated nomenclature, but with species-resolution identifications.
 Arcida - Arcidae
"Anadara (Scapharca) subcrenata" = Scapharca, "Anadara (Scapharca) broughtonii" = Scapharca broughtoni, Anadara (Scapharca) satowi
"Anadara (Scapharca) subcrenata" = Scapharca clam
"Anadara (Scapharca) broughtonii" = Scapharca broughtoni Schrenck 1867 clam
Anadara (Scapharca) satowi Dunker 1882 clam
 Pholadida - Myidae
"Mya (Arenomya) japonica" = Mya (Arenomya) arenaria
"Mya (Arenomya) japonica" = Mya (Arenomya) arenaria Linnaeus 1758 softshell clam
SUBSPECIES: Mya (Arenomya) japonica
 Pholadida - Pholadidae
 Cardiida - Corbiculidae
Corbicula japonica clam
SUBSPECIES: Corbicula japonica sandaiformis
 Cardiida - Anatinellidae
 Cardiida - Veneridae
 Cardiida - Tellinidae
 Cardiida - Cardiidae
 Hiatellida - Hiatellidae
"Panope japonica" = Panopea
"Panope japonica" = Panopea clam
 Lucinida - Lucinidae
 Naticoidea - Naticidae
"Tectonatica janthostomoides" = Cryptonatica andoi, "Neverita (Glossaulax) didyma" = Glossaulax didyma
"Tectonatica janthostomoides" = Cryptonatica andoi Nomura 1935 moon snail
"Neverita (Glossaulax) didyma" = Glossaulax didyma Röding 1798 moon snail
 Sorbeoconcha - Potamididae
 Sorbeoconcha - Batillariidae
 Turbinoidea - Turbinidae
"Lunella coronatus" = Turbo (Lunella)
"Lunella coronatus" = Turbo (Lunella) snail
SUBSPECIES: Lunella coronatus coreensis
 Trochoidea - Trochidae