Kingdom Animalia Linnaeus, 1758 - animals Phylum Sipuncula Rafinesque, 1814 - peanut worms see Class Sipuncula Class Sipunculida DeBlainville, 1828 see Subclass Sipunculida Order Sipunculiformes E. Cutler & Gibbs, 1985 Family Sipunculidae Rafinesque, 1814 Genus Sipunculus Linnaeus, 1767