Kingdom Animalia Linnaeus, 1758 - animals Phylum Sipuncula Rafinesque, 1814 - peanut worms see Class Sipuncula Class Phascolosomida see Subclass Phascolosomida Order Phascolosomiformes Family Phascolosomatidae Stephen & Edmonds, 1972 Genus Antillesoma Stephen & Edmonds, 1972 Genus Apionsoma Sluiter, 1902 Genus Phascolosoma Leuckart, 1828