I. Kingdom Protista, Protozoa
II. Kingdom: Animalia (an-i-mail'-ee-uh): multicellular eukaryotic heterotrophs.

Invertebrates: animals without vertebral column.

Phylum: Porifera
Phylum: Cnidaria
Phylum: Ctenophora
Phylum: Platyhelminthes
Phylum: Nemertea
Phylum: Nematoda
Phylum: Ectoprocta
Phylum: Phoronida
Phylum: Brachiopoda
Phylum: Mollusca
Phylum: Sipuncula
Phylum: Echiuroidea
Phylum: Pogonophora
Phylum: Chaetognatha
Phylum: Annelida
Phylum: Arthropoda (Class Crustacea)
Phylum: Echinodermata

Phylum: Chordata, Subphylum Urochordata