Kingdom [Animalia] Linnaeus, 1758 - animals
Subkingdom Metazoa Haeckel, 1874
see Kingdom Animalia Linnaeus, 1758
Division Eumetazoa Butschli, 1910
see Subkingdom Eumetazoa Butschli, 1910
Subdivision Bilateralia
Phylum Echinodermata Bruguière, 1789 - echinoderms
Class Holothuroidea (de Blainville, 1834) - sea cucumbers
Order Apoda (Oppel, 1810)
Suborder Molpadida Haeckel, 1896
Family Molpadiidae J. Müller, 1850