Kingdom Animalia Linnaeus, 1758 - animals Phylum Chordata Bateson, 1885 - chordates Subphylum Urochordata Bateson, 1885 - tunicates Class Thaliacea van der Haeven, 1850 - salps Genus Thetys Tilesius, 1802 Thetys vagina Tilesius, 1802 - vagina salp