Diploblastique
The diploblastic belong to the Métazoaire S. Their characteristic common is at the embryonic level, because they have only 2 embryonic layers separated by a Mésoglée, contrary to the Triploblastique S. These are watery organizations, that one as well finds in the seamen circle as in the medium Dulcicole. Diploblastiques gather:
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the Spongiaire S or sponges: fixed animals which have a Endosquelette, Calcaire or Silice ux, formed of spicules;
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the Cnidaire S (jellyfishes,…), which gathers the animals having of the Cnidocyte S, which inject venom, intended to capture their preys. They gather inter alia the Sea anemones and the jellyfish S;
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the Cténaire S, animal Pélagique S which resemble much the jellyfish S, but whose characteristic cells are Colloblaste S.
See too