Crossword clue: having a straight shaft with whorls of spines; -- said of certain sponge spicules. see illust. under spicule.
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Having a straight shaft with whorls of spines; -- said of certain sponge spicules. See Illust. under Spicule.
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having six rays; -- said of certain sponge spicules. see illust. of spicule.
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