Porifera, Cnidaria (Coelenterata), Ctenophora, Annelida, Platyhelminthes, Nematoda, Arthropoda, Mollusca, Echinodermata, Chordata, and several other smaller phyla Answer From above SOme of these smaller phyla include Kinorhyncha
Rotifera
Hemichordata
Ectoprocta
Sipuncula
Phoronida
Echiura
Nemertea
Tardigrada
Entoprocta
Chaetognatha
Priapulida
Acanthocephala
Pogonofera
Brachiopoda
Onychophora
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