Tasmacetus Oliver 1937 (beaked whale)
Mammalia - Cetacea - Ziphiidae
Parent taxon: Ziphiidae according to O. Lambert et al. 2013
Sister taxa: Anarnacinae, Anoplonassa, Belemnoziphius, Beneziphius, Berardiinae, Caviziphius, Cetorhynchus, Hyperoodontinae, Messapicetus, Nazcacetus, Nenga, Ninoziphius, Pterocetus, Squaloziphiinae, Xhosacetus, Ziphiina, Ziphiinae, Ziphirostrum, Pelycorhamphus pertortus
Subtaxa: Tasmacetus shepherdi
Type: Tasmacetus shepherdi
Ecology: aquatic piscivore-carnivore