| Tochikubo Formation | |
|---|---|
| Stratigraphic range: Late Jurassic | |
| Type | Geological formation |
| Unit of | Somanakamura Group |
| Underlies | Nakanosawa Formation |
| Overlies | Yamagami Formation |
| Area | Japan |
| Thickness | Up to 350 m |
| Lithology | |
| Primary | Sandstone, Shale |
| Location | |
| Country | Japan |
| Extent | Abukuma Highlands, eastern Honshu |
The Tochikubo Formation is a Jurassic geologic formation in northern Honshu, Japan, dating to the Oxfordian stage of the Late Jurassic. Fossil ornithopod tracks have been reported from the formation.[1] As well as the Bennettitalean Kimuriella.[2]
See also
Footnotes
- ↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- ↑ Pott, Christian; Takimoto, Hideo (2022-04-01). "Kimuriella gen. nov. (Bennettitales), a Whole-Plant Bennettite from the Oxfordian (Upper Jurassic) Tochikubo Formation of Shidazawa, Minamisōma, Fukushima Prefecture, Northeast Japan". Paleontological Research. 26 (2). doi:10.2517/PR200020. ISSN 1342-8144.
References
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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