7a. – Polyps not restricted to clusters, but
scattered around the fleshy colony. Dimorphic polyps................................
Family Alcyoniidae
...........Bellonella rubistella
(Deichmann, 1936)
|
7b. – Polyps
occurring in clusters at terminal ends of fleshy stalk. Polyps monomorphic...............
8
left: Pseudodrifa nigra;
right: Nidalia occidentalis |