Subclass
OCTOCORALLIA (=ALCYONARIA)
Order Alcyonacea Suborder Alcyoniina
Octocorals with an arborescent or clavate form and fleshy stalk
without a consolidated axis or medullar region; gastric cavities
of polyps extend to the base of the colony. In the Atlantic, this
group is limited to a few shallow water species, with the majority
of true “soft corals” inhabiting deeper (>200m) areas.
Family Nidaliidae
Nidaliids have monomorphic polyps and clavate colonies
with a stiff or firm texture and prominent calyces at a terminal
cluster. Refer to Verseveldt and Bayer (1988) for some revisions
within this family. The family is represented by only one species
in the SAB, Nidalia occidentalis
Gray, 1835.
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