What are the 7 types of invertebrates?

What are the 7 types of invertebrates?
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They are:Sponges (Porifera)Comb jellies (Ctenophora)Hydras, jellyfishes, sea anemones, and corals (Cnidaria)Starfishes, sea urchins, sea cucumbers (Echinodermata)Flatworms (Platyhelminthes)Round or threadworms (Nematoda)Earthworms and leeches (Annelida)
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