Kingdom Animalia Linnaeus, 1758 - animals Phylum Echinodermata Bruguière, 1789 - echinoderms Subphylum Crinozoa see Infraphylum Crinozoa Matsumoto, 1929 Class †Paracrinoidea Genus †Amygdalocystites Billings, 1854 Genus †Platycystites Miller, 1889