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Santonian-Campanian neoselachian faunas of the Upper Cretaceous Yezo Group in Nakagawa Town, Hokkaido, Japan. Cretaceous Research, 133, Article 105139
DOI: 10.1016/j.cretres.2022.105139
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Sphenodus (Chondrichthyes, Neoselachii) from the Upper Cretaceous in Nakagawa Town, Hokkaido, Japan. Paleontological Research, 21(2), 122–130
DOI: 10.2517/2016PR009