Chondrophora

invertebrate order

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In cnidarian: Annotated classification
Order Chondrophora Floating polymorphic colonies supported by chitinous skeleton. Free medusae are produced; includes Velella. Oceanic; worldwide. Order Hydroida Hydroids. Usually colonial and polymorphic; release free medusae or retain modified medusoid reproductive structures on polyp colony. Polyps usually have a chitinous exoskeleton. Includes
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