コフォケトゥス
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木村敏之、長谷川善和、大澤仁、上田隆人、山岡隆信「広島県庄原市の中新統備北層群より産出したヒゲクジラ類化石」『群馬県立自然史博物館研究報告』第14巻、群馬県立自然史博物館、2010年、29-36頁。
: Carnegie Institution for Science. https://catalogue.nla.gov.au/Record/4038965?lookfor=author:%22Packard,%20Earl%20Leroy,%201885-%22&offset=1&max=2 . Packard, E. L.; Kellogg, R.. A new cetothere from the Miocene Astoria Formation of Newport, Oregon. Kellogg, R.. The Patagonian fossil whalebone whale. Cetotherium moreni (Lydekker). Kellogg, R.. A new cetothere from the Modelo formation at Los Angeles, California. Huber, E.. Anatomical notes on Pinnipedia and Cetacea.