(Animalia)

(Monera) (Protista) (Plantae) (Fungi) (Animalia)

(Animalia)

(Protozoa)=>Protozoa(Metazoa)=>(Mesozoa)Orthonectida Rhombozoa Placozoa (Parazoa)Porifera (Eumetazoa)(2 germ layers, Radiata)Cenophora Cnidaria (3 germ layers, Bilateria)(Acoelomata)Platyhelminthes Nemertinea Gnathostomulida Cycliophora (Coelomate)(Pseudocoelomate)Gastrotricha Rotifera Kinorhyncha Nematoda Nematomorpha Loricifera Entoprocta Acanthocephala (Eucoelomate)(Schizocoely)Mollusca Priapulida Sipuncula Echiura Annelida Pogonophora Onychophora Tardigrada Pentastomida Arthropoda Ectoprocta Phoronida Brachiopoda (Enterocoely)Chaetognatha Echinodermata Hemichordata Chordata (Animalia)

(Cnidaria)

(Cnidaria) (Hydrozoa) (Hydra) (Scyphozoa) (Aurelia) (Authozoa) ( Metridium)

2810

(Platyhelminthes)

(Platyhelminthes)

(Turbellaria)(Trematoda) (Cestoda)

() ()

(Mollusca)

(Class)(Gastropoda)(Bivalvia)(Polyplacophora)(Scaphopoda)(Monoplacophora)(Cephalopoda)(Aplacophora)

(Annelida) (closed circulatory system)

(Polychaeta)() (oligochaete) (Hirudinea)

Leech

(Annelida)

(Arthropoda)

(Tirlobita)(Crustacea)(Merostomata)(Arachnoida)(Insecta)(Myriapoda)

Balanus

( Echinodermata )()

(Asteroidea)(Echinoidea)(Ophiuroidea)(Holothuroidea)(Crinoidea)

(Chordata) ()(notochord)

(Urochordata)(Cephalochordata)(Vertebrate)

(Vertebrate)(Cyclostomata)(Chondrichthyes)(Osteichthyes)(Actinopterygii)(Amphibia)(Reptilia)(Aves)(Mammalia)

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