Tsurubo area, Iwaki City, Ashizawa Formation: Late/Upper Cretaceous, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Mosasauridae
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Mosasauridae indet.
Gervais 1852
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1 specimen | |||||||||
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Reptilia
- Plesiosauria
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Plesiosauria indet.
de Blainville 1835
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2 specimens | |||||||||
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Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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1 specimen | |||||||||
| IMCF 1124 | ||||||||||
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Actinopteri
- Aulopiformes
- Enchodontidae
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Enchodus sp.
Agassiz 1835
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Chondrichthyes
- Lamniformes
- Otodontidae
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Cretolamna sp.
Glikman 1958
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Chondrichthyes
- Xenacanthida
- Orthacanthidae
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Orthacanthus sp.
Agassiz 1843
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| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Fukushima |
| Coordinates: | 37.2° North, 141.0° East (view map) | ||
| Paleocoordinates: | 48.2° North, 130.4° East | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| 10 m.y. bin: | Cretaceous 5-8 | ||
| Key time interval: | Late/Upper Cretaceous | ||
| Age range of interval: | 100.50000 - 66.00000 m.y. ago |
Stratigraphy
Lithology and environment
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Ammonite Center | ||
| Database number: | 72267 | ||
| Authorizer: | B. Beatty, M. Carrano | Enterer: | B. Beatty, M. Carrano | Research group: | vertebrate |
| Created: | 2007-05-29 23:17:59 | Last modified: | 2007-05-30 02:17:59 |
| Access level: | the public | Released: | 2007-05-29 23:17:59 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 24482. | M. Manabe, Y. Hasegawa, and T. Takahashi. 2003. A hadrosaurid vertebra from the Ashizawa Formation, Futaba Group, Fukushima, Japan. Bulletin of the Gunma Museum of Natural History 7:7-10 [B. Beatty/B. Beatty] |