AnkylopollexiaAsiaCerapodaDinosauriaEarly CretaceousGenasauriaHadrosauriformesHadrosauroideaIguanodontiaNeornithischiaOrnithischiaOrnithopodaStyracosterna

Koshisaurus katsuyama

Dinosaur: Koshisaurus katsuyama

Type: Ornithopod

Length*: 3.9 m 12.8 ft
Weight*: 250 kg 551 lb
*The largest known specimen

ESR: 2.5 / 4 (estimated size reliability)


Material: Right maxilla and referred neural arch of the axis, centrum of dorsal vertebra, proximal portion of left pubis and distal part of left femur.
References: Shibaba, M. & Azuma, Y. (2015) "New basal hadrosauroid (Dinosauria: Ornithopoda) from the Lower Cretaceous Kitadani Formation, Fukui, central Japan.".


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