Ancestral colonial flagellate
Metazoa
Eumetazoa
Bilateria
Ikaria wariootia
is an early
example of a
bilateral organism
Ecdysozoa
Lophotrochozoa
Deuterostomia
Nematoda
Arthropoda
Porifera
Ctenophora
Cnidaria
Acoela
Plathyhelminthes
Rotifera
Ectoprocta
Brachiopods
Mollusca
Annelida
Echinodermata
Chordata
includes fish, amphibians,
reptiles, birds and mammals
Ancestral colonial flagellate
Porifera
Metazoa
Ctenophora
Eumetazoa
Cnidaria
Acoela
Echinodermata
Bilateria
Ikaria wariootia
is an early
example of a
bilateral organism
Deuterostomia
Chordata
includes fish, amphibians,
reptiles, birds and mammals
Plathyhelminthes
Rotifera
Ectoprocta
Lophotrochozoa
Brachiopods
Mollusca
Annelida
Nematoda
Ecdysozoa
Arthropoda