Hakobuchi
Description
Source: Wikipédia
The Hakobuchi Formation is a geological formation in Hokkaido, Japan. It is the uppermost unit of the Yezo Group, being early Maastrichtian in age. It consists of bioturbated glauconitic sandstones, siltstones and conglomerates with coaly mudstone and minor tuffite. It was deposited in a continental shelf setting. It is noted for its fossil content with the invertebrates mainly consisting of bivalves and ammonites. With vertebrates including the mosasaurs Mosasaurus hobetsuensis and Phosphorosaurus ponpetelegans. As well the sea turtle Mesodermochelys and the hadrosaurid dinosaur Kamuysaurus.
Découvertes
Source: The Paleobiology Database
Site(s) correspondant(s) à cette formation: 1
Shirafunenosawa River, Inasato (Locality 1) : Hokkaido - Hobetsu Publication(s)
La base comprend 2 publication(s).
Source: The Paleobiology Database
- ↑1 2 R. Hirayama and T. Chitoku. 1996. Family Dermochelyidae (superfamily Chelonioidea) from the Upper Cretaceous of north Japan. Transactions and Proceedings of the Palaeontological Society of Japan. New series 184:597-622
- ↑1 Y. Kobayashi, T. Nishimura, and R. Takasaki, K. Chiba, A. R. Fiorillo, K. Tanaka, T. Chinzorig, T. Sato, K. Sakurai. 2019. A new hadrosaurine (Dinosauria: Hadrosauridae) from the marine deposits of the Late Cretaceous Hakobuchi Formation, Yezo Group, Japan. Scientific Reports 9:12389 (https://doi.org/10.1038/s41598-019-48607-1)
Galerie d'image
Pas d'image.