Kamikitaba Assemblage: Early Coniacian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Angiospermae
- Laurales
- Lauraceae
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Lauranthus futabensis n. gen., n. sp.
Takahashi et al. 2001
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| see common names | |||||||
Geography
| Country: | Japan | State/province: | Honshu | County: | Fukushima |
| Coordinates: | 37.2° North, 141.0° East (view map) | ||||
| Paleocoordinates: | 45.3° North, 141.0° East (Wright 2013) | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | basin |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Coniacian | 10 m.y. bin: | Cretaceous 6 |
| *Period: | Late/Upper Cretaceous | ||
| *International age/stage: | Early/Lower Coniacian | ||
| Key time interval: | Early Coniacian | ||
| Age range of interval: | 89.8 - 85.7 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | carbonaceous lignite |
| Environment: | alluvial fan |
| Geology comments: The Asamigawa member is interpreted as an alluvial fan deposit comprisisng poorly-sorted sandstones and siltsones, some of which contain abundant plant material. More information in Ando et al. (1995) and Takahashi et al. (1999). | |
Taphonomy
| Modes of preservation: | charcoalification |
| Size of fossils: | mesofossils |
| Articulated whole bodies: | none |
| Associated major elements: | some |
Collection methods and comments
| Collection methods: | surface (in situ),chemical,mechanical,sieve,field collection | ||
| Minimum sieve size: | 0.200 | Maximum sieve size: | 0.200 |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Sample F-16 | ||
| Database number: | 31444 | ||
| Authorizer: | H. Wang | Enterer: | M. Arakaki |
| Modifier: | M. Arakaki | Research group: | paleobotany |
| Created: | 2003-05-13 16:29:41 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2003-05-13 16:29:41 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 8495. | M. Takahashi, P. S. Herendeen, and P. R. Crane. 2001. Lauraceous fossil flower from the Kamikitaba locality (Lower Coniacian; Upper Cretaceous) in northeastern Japan. Journal of Plant Reasearch 114:429-434 [H. Wang/M. Arakaki/M. Arakaki] |