Reino animalia (Metazoa)

Mesozoa

Rhombozoa

Orthonectida

Parazoa

Porifera

Hexactinelida

Calcarea

Demospongiae

Placozoa

Eumetazoa

Radiata

Ctenophora

Cnidaria

Cubozoa

Anthozoa

Scyphozoa

Bilateria

Protostomia

Ecdysozoa

Arthropoda

Crustacea

Hexapoda

Myriapoda

Arachnida

Onychophora

Nematoda

Loricifera

Platyzoa

Phalyhelminthes

Turbellaria

Cestoda

Monogenea

Trematoda

Rotifera

Lophotrochozoa

Trochozoa

Nemertea

Phoronida

Annelida

Polichaeta

Clitellata

Hirudinida

Oligochaeta

Lophophorata

Phoronida

Brachiopoda

Bryozoa

Deuterostomia

Xenoturbellida

Echinodermata

Crinoidea

Chordata

Urochordata

Ascidiacea

Thaliacea

Appendicularia

Cephalochordata

Vertebrata

Hemichordata

Appendicularia

Enterpneusta