MiosirenMiosiren is an extinct genus of manatee from the Early Miocene of southeastern England and Antwerp, Belgium. Two species are recognized, M. canhami and M. kocki.PhylogenyA 2014 cladistic analysis of extinct sirenians recovered Miosiren as a close relative of Anomotherium in a separate subfamily within Trichechidae, Miosireninae.