Phylum PoriferaEumetazoa (Add)Calcarea (Add)
Demospongiae
Hexactinellida (Add)
Sclerospongiae (Add)
Phylum ChordataCephalochordata (Add)Panarthropoda (Add)
Urochordata, Tunicate (Add)
VertebrataPhylum ArthropodaPhylum Molluscs, Mollusca
Phylum Onychophora
Phylum Tardigrada (Add)Class Aplacophora (Add)Phylum Corals and Jellyfish, Cnidaria
Class Bivalvia
Class Cephalopoda
Class Gastropoda
Class Monoplacophora (Add)
Class Polyplacophora (Add)
Class Scaphopoda (Add)Class AnthozoaPhylum Acanthocephala (Add)
MedusozoaClass Archiacanthocephala (Add)Phylum Brachiopoda (Add)
Class Eoacanthocephala (Add)
Class Palaeacanthocephala (Add)Class Articulata (Add)Phylum Bryozoa (Add)
Class Inarticulata (Add)Class Gymnolaemata (Add)Phylum Chaetognatha (Add)
Class Phylactolaemata (Add)
Class Stenolaemata (Add)
Phylum CtenophoraClass Nuda (Add)Phylum Cycliophora
Class Tentaculata
Phylum Echinoderms, EchinodermataAsterozoa (Add)Phylum Echiurida (Add)
Crinozoa (Add)
Echinozoa (Add)
Phylum Entoprocta (Add)
Phylum Gastrotricha (Add)
Phylum Gnathostomulida (Add)
Phylum Hemichordata (Add)Class Enteropneusta (Add)Phylum Kinorhyncha (Add)
Class Pterobranchier (Add)Class Cyclorhagia (Add)Phylum Loriciferia (Add)
Class Homalorhagida (Add)
Phylum Mesozoa (Add)Class Orthonectida (Add)Phylum Nematoda (Add)
Class Rhombozoa (Add)Class Aphasmidia (Add)Phylum Nematomorpha (Add)
Class Phasmidia (Add)Class Gordioida (Add)Phylum Pentastomida (Add)
Class Nectonematoida (Add)
Phylum Phoronida (Add)
Phylum PlatyhelminthesClass CestodaPhylum Pogonophora (Add)
Class Monogenea
Class Trematoda
Class Turbellaria
Phylum Priapulida (Add)
Phylum Rhynchocoela (Add)Class Anopla (Add)Phylum Rotifera (Add)
Class Enopla (Add)Class Bdelloidea (Add)Phylum Sipunculida (Add)
Class Monogononta (Add)
Class Seisonidea (Add)
Phylum AnnelidaClass Clitellata
Class Hirudinea
Class Myzostoma (Add)
Class Oligochaeta (Add)
Class Polychaeta