- Alcyonaria, order Alcyonaria - corals and sea anemones having eight branches
--1 is a kind of animal order
--1 is a member of Anthozoa, class Anthozoa, Actinozoa, class Actinozoa
--1 has members:Alcyonacea, suborder Alcyonacea; Pennatulidae, family Pennatulidae; Gorgonacea, suborder Gorgonacea, Gorgoniacea, suborder Gorgoniacea