Template:Ōtsuka & Ōta, 2008

• Otsuka, H. & Ota, Y. 1988. 広島県庄原地域における中期中新世備北層群産のケトテリウム類化石 [Cetotheres from the early Middle Miocene Bihoku group in Shobara District, Hiroshima Prefecture, West Japan.] Miscellaneous Reports of the Hiwa Museum for Natural History 49: 1–66.  
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Nomenclatural acts

• Date of publication: 2008

New names

(List may be incomplete)

• Diorocetus shobarensis n. sp.
• Hibacetus n. gen.
• Hibacetus hirosei n. sp.
• Parietobalaena yamaokai n. sp.