Kingdom Animalia Linnaeus, 1758 - animals Phylum Priapula - priapulans see Phylum Priapulida Delage & Hérouard, 1897 Family Priapulidae Gosse, 1855 Genus Priapulus Lamarck, 1816 Priapulus bicaudatus Danielssen, 1868 see Priapulopsis bicaudatus (Danielssen, 1868)