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10 points
PLANULAR is validvalid
PLANULA, the free-swimming larva of certain organisms [adj]
of or like a planula, a free-swimming, two-layered, often flattened larva of coelenterates etc. [adj]
PLANULA, the free-swimming larva of certain organisms [adj]
of or like a planula, a free-swimming, two-layered, often flattened larva of coelenterates etc. [adj]