[Bilateria] Hatschek, 1888 - bilaterians
see Subkingdom Bilateria Hatschek, 1888
ecdysozoans
see Clade Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997, nom. cl. inval.
Arthropoda Siebold, 1848 - arthropods
Arachnomorpha Heider, 1913
†Trilobitomorpha Størmer, 1944
see Superclass Trilobitomorpha Størmer, 1944
Subclass †Petalopleura Hou & Bergström, 1997
Order †Xandarellida Chen et al., 1996
1 Genus †Cindarella Chen et al., 1996
2.1 Genus †Xandarella Hou et al., 1991
2.2 Genus †Sinoburius Hou et al., 1991
2.3 Genus †Phytophilaspis Ivantsov, 1999