Kakuma: Langhian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Opisthobranchiata - Cavoliniidae
Gastropoda - Trochidae
Gastropoda - Naticidae
unclassified
Bivalvia - Protobranchia - Tindariidae
Bivalvia - Protobranchia - Malletiidae
Bivalvia - Protobranchia - Sareptidae
Bivalvia - Protobranchia - Nucinellidae
Bivalvia - Protobranchia - Solemyidae
Solemyidae indet. Adams and Adams 1857
Bivalvia - Protobranchia - Nuculidae
Bivalvia - Cardiida - Tellinidae
Merisca sp. (Dall 1900)
Bivalvia - Lucinida - Lucinidae
Bivalvia - Lucinida - Thyasiridae
Bivalvia - Venerida - Mesodesmatidae
Donacilla sp. Lamarck 1819
Bivalvia - Venerida - Cardiliidae
Bivalvia - Venerida - Mactridae
Mactra sp. Linnaeus 1767
Bivalvia - Venerida - Vesicomyidae
Adulomya chitanii Kanehara 1937
Pliocardia kawadai (Aoki 1954)
Bivalvia - Venerida - Veneridae
Bivalvia - Thraciida - Periplomatidae
Bivalvia - Poromyida - Poromyidae
Bivalvia - Arcida - Arcidae
Anadara sp. Gray 1847
Bivalvia - Arcida - Limopsidae
Limopsis sp. Sassi 1827
Bivalvia - Pectinida - Pectinidae
Bivalvia - Pectinida - Propeamussiidae
Propeamussium sp. (de Gregorio 1884)
Scaphopoda - Dentaliida - Laevidentaliidae
Laevidentalium sp. (Cossmann 1888)
see common names

Geography
Country:Japan State/province:Toyama County:Toyama
Coordinates: 36.6° North, 137.1° East (view map)
Paleocoordinates:36.3° North, 134.6° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene Epoch: Miocene
Stage: Langhian 10 m.y. bin: Cenozoic 5
Key time interval: Langhian
Age range of interval: 15.98 - 13.82 m.y. ago
Stratigraphy
Formation:Kurosedani
Stratigraphy comments: lowermost middle Miocene
Lithology and environment
Primary lithology:medium sandstone
Secondary lithology:gray mudstone
Includes fossils?Y
Includes fossils?Y
Lithology description: Turbidite deposits are exposed at this locality and consist of alternating medium-grained sandstones (about 20 cm in thickness) and dark gray mudstones (about 5 cm in thickness).
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:219252
Authorizer:M. Uhen Enterer:M. Uhen
Research group:vertebrate
Created:2021-04-02 16:06:35 Last modified:2025-02-22 15:12:02
Access level:the public Released:2021-04-02 16:06:35
Creative Commons license:CC0
Reference information

Primary reference:
76197. K. Amano, Y. Miyajima, Y. Nakagawa, M. Hamuro, and T. Hamuro. 2019. Chemosymbiotic Bivalves from the Lower Miocene Kurosedani Formation in Toyama Prefecture, Central Honshu, Japan. aleontological Research 23(3):208-2019 [M. Uhen/M. Uhen]