BenthobatisBenthobatis is a genus of fish in the family Narcinidae with four currently recognized species.The only known fossil teeth of this genus are from the Middle Miocene of Japan.SpeciesBenthobatis kreffti Rincón, Stehmann & Vooren, 2001 Benthobatis marcida B. A. Bean & A. C. Weed, 1909 Benthobatis moresbyi Alcock, 1898 Benthobatis yangi M. R. de Carvalho, Compagno & Ebert, 2003