Hetonai Area, Hakobuchi Group, Hokkaido: Campanian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Solemyida
- Solemyidae
|
||||||||||
|
Solemya angusticaudata
|
||||||||||
|
Bivalvia
- Myalinida
- Inoceramidae
|
||||||||||
|
Inoceramus (Sphenoceramus) elegans
Sokolow 1914
|
||||||||||
| recombined as Sphenoceramus elegans | ||||||||||
| subsp. pseudosulcatus | ||||||||||
|
Inoceramus (Sphenoceramus) orientalis
Sokolov 1914
|
||||||||||
| recombined as Sphenoceramus orientalis | ||||||||||
| subsp. orientalis | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Iburi |
| Coordinates: | 42.8° North, 142.2° East (view map) | ||
| Paleocoordinates: | 47.6° North, 131.4° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Hakobuchi | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: lower part of Hakobuchi Group | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | fine sandy siltstone |
| 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: | 39835 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2004-06-08 13:03:34 | Last modified: | 2004-06-28 08:54:48 |
| Access level: | the public | Released: | 2004-06-08 13:03:34 |
| 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] |