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
1 Class Crinoidea Miller, 1821 - sea lilies and feather stars
2 Class Holothuroidea (de Blainville, 1834) - sea cucumbers
3 Class Echinoidea (Leske, 1778) - sea urchins and sand dollars
4 Class Asteroidea Blainville, 1830 - sea stars
5 Class Ophiuroidea Gray, 1840 - brittle stars and basket stars