Takamatsu ("Mya bed", Takamatsu shell sand facies) [Toshima Sand] (Pleistocene of Japan)

Where: Japan (34.6° N, 137.2° E: paleocoordinates 34.8° N, 137.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Toshima Sand Formation (Toyohashi Group), Pleistocene (2.6 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Toshima Sand of the Toyohasi Gp, which overlies the Akasawa SIlt, and is overlain by the Tonami Gravel of the Tahara Gp. AGE: Pleistocene. STRATIGRAPHIC POSITION: From the "Mya bed", Takamatsu shell sand facies of the Toshima Sand.

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified sandstone

• SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Unlithified.

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 96970: authorized by Austin Hendy, entered by Austin Hendy on 15.07.2010

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.
Gastropoda
 Seguenzioidea - Eucyclidae
 Neotaenioglossa - Calyptraeidae
"Siphopatella walshi" = Ergaea walshi
"Siphopatella walshi" = Ergaea walshi Reeve 1859 slipper shell
 Sorbeoconcha - Naticidae
 Neogastropoda - Buccinidae
Siphonalia cassidariaeformis Reeve 1843 true whelk
"Siphonalia signum" = Siphonalia signa Reeve 1846 true whelk
Babylonia japonica Reeve 1842 true whelk
 Neogastropoda - Melongenidae
"Hemifusus tuba" = Volema (Hemifusus)
"Hemifusus tuba" = Volema (Hemifusus) snail
 Neogastropoda - Cancellariidae
 Neogastropoda - Terebridae
 Neogastropoda - Muricidae
"Murex (Chicoreus) asianus" = Chicoreus murex snail
Rapana thomasiana murex snail
 Sorbeoconcha - Tonnidae
Tonna allium tun shell
Bivalvia
 Pectinida - Pectinoidae
Pecten (Pecten) albicans Schröter 1802 scallop
 Pectinida - Anomiidae
 Ostreida - Ostreidae
"Ostrea (Crenostrea) pestigris" = Planostrea pestigris, Ostrea (Ostrea) denselamellosa
"Ostrea (Crenostrea) pestigris" = Planostrea pestigris Hanley 1846 flat oyster
 Arcida - Cucullaeidae
"Arca boucardi" = Tetrarca boucardi
"Arca boucardi" = Tetrarca boucardi Jousseaume 1894 clam
 Arcida - Arcidae
"Anadara (Scapharca) broughtonii" = Scapharca broughtoni Schrenck 1867 clam
Anadara (Scapharca) satowi Dunker 1882 clam
 Cardiida - Sportellidae
 Cardiida - Cardiidae
Fulvia mutica Reeve 1844 cockle
 Cardiida - Solecurtidae
 Cardiida - Tellinidae
"Psammacoma kazusensis" = Macoma (Psammacoma) tellin clam
SUBSPECIES: Psammacola kazusensis atsumiensis
 Cardiida - Veneridae
Venerupis (Amygdala) variegata venus clam
SUBSPECIES: Venerupis (Amygdala) variegata kioroshiensis
 Cardiida - Mactridae
"Schizothaerus keenae" = Tresus, Mactra (Macvtra) sulcataria
"Schizothaerus keenae" = Tresus clam
 Solenida - Solenidae
 Hiatellida - Hiatellidae
"Panope japonica" = Panopea
"Panope japonica" = Panopea clam
 Carditida - Carditidae