anthozoan

noun

1. A marine invertebrate of the class Anthozoa, such as a sea anemone or coral.

   “In his childhood, he said, he used to walk beside the chalk cliffs of Devon and Cornwall, […] admiring the endless diversity of the semi-sentient marvels oscillating between the vegetable, animal and mineral kingdoms, the zooids and corallines, sea anemones, sea fans and sea feathers, the anthozoans and crustaceans over which the tide washed twice a day […].”