Mammalia - Cetacea - Ziphiidae

Full reference: E. D. Cope. 1869. On two extinct marine Mammalia from the United States. Proceedings of the American Philosphical Society 11:188-191

Parent taxon: Ziphiidae according to M. D. Uhen et al. 2008

Sister taxa: Anarnacinae, Belemnoziphius, Beneziphius, Berardiinae, Caviziphius, Cetorhynchus, Hyperoodontinae, Messapicetus, Nazcacetus, Nenga, Ninoziphius, Pterocetus, Squaloziphiinae, Tasmacetus, Xhosacetus, Ziphiina, Ziphiinae, Ziphirostrum, Pelycorhamphus pertortus

Subtaxa: Anoplonassa forcipata

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Type: Anoplonassa forcipata

Ecology: aquatic piscivore-carnivore