Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Urochordata Bateson, 1885 - tunicates
       1 Genus †Shankouclavis Chen, Huang, Peng, Chi, Wang & Feng, 2003 see Genus Shankouclava Chen, Huang, Peng, Chi, Wang & Feng, 2003
       2 ?Genus †Cheungkongella Shu, Chen, Han & Zhang, 2001
       3 Class Ascidiacea Blainville, 1824 - sea squirts
       4 Class Thaliacea van der Haeven, 1850 - salps
       5 Class Appendicularia Lahille, 1890 - appendicularians