Sakawa Area, Kochigatani Group, Shikoku: Carnian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Rhynchonellata
- Rhynchonellida
- Rhynchonellidae
|
||||||||||
|
Neoschizodus (Neoschizodus) nakajimensis
(Ichikawa 1949)
|
||||||||||
| original and current combination Rhynchonella nakajimensis | ||||||||||
|
Bivalvia
- Nuculanida
- Malletiidae
|
||||||||||
|
Palaeoneilo telliniformis
|
||||||||||
|
Bivalvia
- Nuculida
- Nuculidae
|
||||||||||
|
? Nucula iwayai
|
||||||||||
|
Trigonucula sakawana
Ichikawa 1949
|
||||||||||
|
Bivalvia
- Mytilida
- Mytilidae
|
||||||||||
|
? Falcimytilus tenuiformis
|
||||||||||
|
Falcimytilus nasai
(Kobayashi and Ichikawa 1950)
|
||||||||||
|
Modiolus paronaiformis
|
||||||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
||||||||||
|
Chlamys mojsisovicsi
(Kobayashi and Ichikawa 1949)
|
||||||||||
|
Tosapecten pseudohiemalis
|
||||||||||
| original and current combination Weyla (Tosapecten) | ||||||||||
|
Tosapecten suzukii
(Kobayashi 1931)
|
||||||||||
| subsp. suzukii | ||||||||||
|
? Eopecten sumeriensis
|
||||||||||
|
Bivalvia
- Pectinida
- Oxytomidae
|
||||||||||
|
? Oxytoma dieneri
|
||||||||||
| original and current combination Avicula (Oxytoma) | ||||||||||
|
Oxytoma (Oxytoma) mojsisovicsi
Teller 1886
|
||||||||||
|
Oxytoma (Oxytoma) kashiwaiensis
|
||||||||||
|
Bivalvia
- Pectinida
- Limidae
|
||||||||||
|
Pseudolimea naumanni
(Kobayashi and Ichikawa 1951)
|
||||||||||
|
? Plagiostoma kuromagariense
|
||||||||||
|
Bivalvia
- Pectinida
- Aviculopectinidae
|
||||||||||
|
? Eumorphotis aff. spitzbergensis
|
||||||||||
|
Bivalvia
- Ostreida
- Cassianellidae
|
||||||||||
|
? Cassianella dubia
|
||||||||||
|
Bivalvia
- Ostreida
- Halobiidae
|
||||||||||
|
Halobia molukkana
|
||||||||||
|
Halobia sedaka
|
||||||||||
|
Halobia obsoleta
|
||||||||||
|
Halobia multilineata
|
||||||||||
|
Halobia alta
|
||||||||||
|
Halobia longissima
|
||||||||||
|
Halobia kashiwaiensis
|
||||||||||
|
Halobia kawadai
Yehara 1927
|
||||||||||
|
Bivalvia
- Arcida
- Parallelodontidae
|
||||||||||
|
? Parallelodon infrequens
|
||||||||||
|
Bivalvia
- Cardiida
- Anthracosiidae
|
||||||||||
|
Unionites kochigataniensis
|
||||||||||
|
Unionites carinatus
|
||||||||||
|
Bivalvia
- Cardiida
- Kalenteridae
|
||||||||||
|
Triaphorus trapezoidalis
|
||||||||||
|
Bivalvia
- Cardiida
- Tancrediidae
|
||||||||||
|
Sakawanella triadica
Ichikawa 1950
|
||||||||||
|
Bivalvia
- Modiomorphida
- Palaeopharidae
|
||||||||||
|
Palaeopharus oblongatus
|
||||||||||
|
Bivalvia
- Pholadida
- Pleuromyidae
|
||||||||||
|
Pleuromya forsbergi
|
||||||||||
| original and current combination Myacites (Pleuromya) | ||||||||||
| subsp. nipponica | ||||||||||
|
Bivalvia
- Solenida
- Pharidae
|
||||||||||
|
? Cultellus ellipsoidalis
|
||||||||||
|
Bivalvia
- Lucinida
- Lucinidae
|
||||||||||
|
Schafhaeutlia mellingi
(Hauer 1857)
|
||||||||||
| recombined as Fimbria mellingi | ||||||||||
| subsp. japonica | ||||||||||
|
Bivalvia
- Trigoniida
- Myophoriidae
|
||||||||||
|
Neoschizodus (Neoschizodus) dieneri
|
||||||||||
|
Neoschizodus (Okunominetania) okunominetaniensis
|
||||||||||
|
Bivalvia
- Trigoniida
- Trigoniidae
|
||||||||||
|
Minetrigonia katayamai
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Kochi |
| Coordinates: | 33.5° North, 133.3° East (view map) | ||
| Paleocoordinates: | 42.2° North, 117.1° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Carnian | 10 m.y. bin: | Triassic 3 |
| Key time interval: | Carnian | ||
| Age range of interval: | 237.00000 - 227.00000 m.y. ago |
Stratigraphy
| Geological group: | Kochigatani | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Lower part of Kochigatani Group | |||||
Lithology and environment
| Primary 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: | 40471 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2004-06-24 01:24:02 | Last modified: | 2004-06-29 14:46:12 |
| Access level: | the public | Released: | 2004-06-24 01:24:02 |
| 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] |