Sakawa Area, Torinosu Group, Shikoku: Oxfordian - Tithonian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Nuculanida - Nuculanidae
Nuculana (Praesaccella) erinoensis
Nuculana (Praesaccella) yatsushiroensis
Nuculana (Dacryomya) stenodolichos
Nuculana (Dacryomya) minutula
Bivalvia - Solemyida - Solemyidae
Solemya kobayashii
Bivalvia - Mytilida - Mytilidae
Arcomytilus laitmairensis (de Loriol 1883)
Bivalvia - Pectinida - Pectinidae
Chlamys iboibo
? Aequipecten vulgaris
? Aequipecten kotsubu
? Camptonectes torinosuensis
? Camptonectes mimikirensis Kurata and Kimura 1951
Radulopecten nagatakensis
Radulopecten ogawensis
Eopecten punctus
Bivalvia - Pectinida - Limidae
Ctenoides tosanus
Plagiostoma enormicosta
Bivalvia - Pectinida - Plicatulidae
Plicatula yatsujiensis
Bivalvia - Pectinida - Propeamussiidae
Parvamussium habunokawense
Bivalvia - Pectinida - Entoliidae
Entolium japonicum
Entolium yatsujiense
Entolium kimurai
Somapecten kamimanensis
Bivalvia - Ostreida - Bakevelliidae
Gervillia (Gervillia) takiensis
Bivalvia - Ostreida - Palaeolophidae
Lopha (Actinostreon) gregarea Sowerby 1816
synonym of Actinostreon gregareum
Lopha (Actinostreon) cf. marshii (Sowerby 1814)
recombined as Actinostreon marshi
Bivalvia - Ostreida - Ostreidae
Rastellum (Arctostrea) cf. erucum
Bivalvia - Ostreida - Gryphaeidae
Nanogyra kumensis
Liostrea cf. stoliczkai
Bivalvia - Arcida - Parallelodontidae
Grammatodon (Grammatodon) takiensis
Parallelodon (Cosmetodon) koikensis
Bivalvia - Cardiida - Cardiidae
Protocardia (Protocardia) tosensis
Bivalvia - Pholadida - Corbulidae
? Corbula globosa Sowerby 1818
recombined as Varicorbula globosa
Bivalvia - Pandorida - Laternulidae
Plectomya punctostriae
Bivalvia - Lucinida - Lucinidae
? Mesomiltha tsunoensis
? Lucina toishiyamensis
Bivalvia - Carditida - Astartidae
Opis (Trigonopis) torinosuensis
Astarte (Nicaniella) higoensis
Astarte (Yabea) kambarensis
Astarte (Astarte) defecta
Astarte (Trautscholdia) ogawensis
Bivalvia - Trigoniida - Trigoniidae
Nipponitrigonia sagawai
subsp. sagawai
Linotrigonia (Linotrigonia) toyamai
Bivalvia - Trigoniida - Myophorellidae
Myophorella (Haidaia) gracilenta
Myophorella (Haidaia) pulex
see common names

Geography
Country:Japan State/province:Kochi
Coordinates: 33.5° North, 133.3° East (view map)
Paleocoordinates:40.5° North, 136.1° East
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Key time interval:Oxfordian - Tithonian
Age range of interval:161.50000 - 145.00000 m.y. ago
Stratigraphy
Geological group:Torinosu
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: "shale"
Secondary lithology: sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:40473
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2004-06-24 02:15:41 Last modified:2004-06-29 14:47:18
Access level:the public Released:2004-06-24 02:15:41
Creative Commons license:CC BY
Reference information

Primary reference:

10664. 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]