A dinosaur that was unearthed from 72-million-year-old marine deposits in northern Japan belongs to a new genus and species, researchers announced.

A partial tail was first found in 2013 in Mukawa Town, Hokkaido, in Japan. Later excavations discovered a nearly complete skeleton that is the largest ever found in Japan.

Researchers named the dinosaur Kamuysaurus japonicus.

In the current study, a group of researchers led by professor Yoshitsugu Kobayashi of the Hokkaido University Museum conducted comparative and phylogenetic analyses on 350 bones and 70 taxa of hadrosaurids, which allowed them to figure out that the dinosaur belongs to the Edmontosaurini clade.

The research team also found that the dinosaur has three c

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