Koshisaurus

Koshisaurus
Temporal range: Early Cretaceous,
Fossil elements and model
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Ornithischia
Clade: Ornithopoda
Superfamily: Hadrosauroidea
Genus: Koshisaurus
Shibata and Azuma, 2015
Type species
Koshisaurus katsuyama
Shibata and Azuma, 2015

Koshisaurus is a monospecific genus of basal hadrosauroid from the Kitadani Formation in Japan. The discovery of the genus suggests that hadrosauroids had higher diversity along the eastern margin of Asia in the Early Cretaceous. "Koshi" means an old Japanese regional name including Fukui prefecture where fossils of the genus were discovered.

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