Yuasa Area, Arita Formation, Honshu (Cretaceous of Japan)

Where: Wakayama, Japan (34.0° N, 135.2° E: paleocoordinates 41.8° N, 137.3° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Arita Formation, Neocomian (145.0 - 130.0 Ma)

• Upper Neocomian

• formation-level stratigraphic resolution

Environment/lithology: marine

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40659: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 26.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
 Pectinida - Propeamussiidae
 Pectinida - Pectinoidae
Neithea (Neithea) atava Roemer 1839 scallop
syn. with N. (N.) kanmerai
 Pectinida - Plicatulidae
 Ostreida - Pteriidae
 Ostreida - Bakevelliidae
 Mytilida - Mytilidae
Modiolus aff. subsimplex d'Orbigny 1850 mussel
 Carditida - Crassatellidae
 Hiatellida - Hiatellidae
Panopea (Myopsis) nagaoi Hayami 1966 clam
 Pandorida - Laternulidae
 Trigoniida - Megatrigonioidae
 Trigoniida - Trigoniidae
 Protobranchia - Nuculanidae
Nuculana sanchuensis pointed nut clam