horny coral

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Unique behaviors of gorgonians and trumpetfish

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horny coral

invertebrate order

Also known as: Gorgonacea, gorgonian

Learn about this topic in these articles:

annotated classification

In cnidarian: Annotated classification
Order Gorgonacea Sea fans and sea whips. Colonies commonly arborescent with axial skeleton of gorgonin and/or calcareous spicules. Polyps rarely dimorphic. Tropical and subtropical. Order Alcyonacea Soft corals. Small to massive colonial forms. Lower parts of polyps fused into a fleshy mass; oral ends protrude. Internal…
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prehistory and taxonomy

In cnidarian: Evolution
…the mid-Triassic Period; blue corals, gorgonians, millepores, and hydrocorals have records from the Jurassic Period (201.3 million to 145.0 million years ago) or the Cretaceous Period to the present. Most other cnidarians are known only from the Holocene Epoch (within the last 11,700 years).
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