Hiraiga formation of the Miyako Group: Late Aptian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Malacostraca
- Decapoda
- Catillogalatheidae
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| Takeda and Fujiyama, 1983 | ||||||||||
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Malacostraca
- Decapoda
- Necrocarcinidae
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| Takeda and Fuhiyama, 1983 | ||||||||||
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Malacostraca
- Decapoda
- Homolidae
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| Takeda and Fuhiyama, 1983 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Iwata | County: | Sanriku District |
| Coordinates: | 39.6° North, 141.3° East (view map) | ||||
| Paleocoordinates: | 47.8° North, 150.7° East (Wright 2013) |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| 10 m.y. bin: | Cretaceous 2-3 | ||
| Key time interval: | Late Aptian | ||
| Age range of interval: | 119.57 - 113.2 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | fine sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 146565 | ||
| Authorizer: | C. Schweitzer | Enterer: | E. Johnson |
| Modifier: | H. Shin | Research group: | decapod |
| Created: | 2013-06-27 03:58:43 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2013-09-27 03:58:43 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 47268. | decapod | M. Takeda and I. Fujiyama. 1983. Three Decapod Crustaceans from the Lower Cretaceous Miyako Group, Northern Japan. Bulletin of the National Science Museum, Toyoko (4)129-136 [C. Schweitzer/E. Johnson/E. Johnson] |