Heackel, 1866
Orders:
Order Helioporacea Heliopora coerulea,
Order Pennatulacea Pteroeides sp. (1),
Order Alcyonacea Acanthogorgia (1) Cladiella (3)
Description: Colonial, monomorphic or dimorphic Anthozoa with polyps bearing eight tentacles, usually pinnate Clavularia (1); eight complete septa, with filaments; one siphonoglyph. Skeleton massive (Helioporacea) or formed by sclerites Sclerites(low res).pct .