[Bilateria] Hatschek, 1888 - bilaterians
see Subkingdom Bilateria Hatschek, 1888
ecdysozoans
see Clade Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997, nom. cl. inval.
Cycloneuralia Nielsen, 1995
see [unranked] Introverta Nielsen, 1995
Nematoda Gegenbaur, 1859 - round worms