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Echinoderms of Connecticut (1912) Echinoderms of Connecticut echinodermsofcon00coew Year: 1912 FIG. II. Ophiffpholis aculeata. Free-swimming larva, with long, ciliated arms. (Modified from Fewkes.) FIG. 12. Ophiura brevispina. Free-swimming larva preparatory to transformation to the adult form. (After Grave.)
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