Takasaki, Ryuji; et al. (2017). "Reanalysis of the phylogenetic status of Nipponosaurus sachalinensis (Ornithopoda: Dinosauria) from the Late Cretaceous of Southern Sakhalin". Historical Biology. 30 (5): 1—18. doi:10.1080/08912963.2017.1317766. S2CID90767373.
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Takasaki, Ryuji; et al. (2017). "Reanalysis of the phylogenetic status of Nipponosaurus sachalinensis (Ornithopoda: Dinosauria) from the Late Cretaceous of Southern Sakhalin". Historical Biology. 30 (5): 1—18. doi:10.1080/08912963.2017.1317766. S2CID90767373.