[Kingdom] Animalia Linnaeus, 1758 - animals Grade Enterozoa Grade Cœlomata Phylum Vertebrata (Lamarck, 1801) Branch Urochorda Class Larvalia 1 Genus Appendicularia Fol, 1874 2 Genus Kowalewskyia Lankester, 1877, nom. null. see Genus Kowalevskia Fol, 1872