Reef Corals of the Indo-Malayan Seas: Dichotomous key: step 2: "Black corals, Antipathidae"

Key: Step 2. Black corals, Antipathidae

Cirrhipathes
(unbranched, without pinnules)

Genus Cirrhipathes

Antipathes
(polyps 1-3 mm in transverse diameter, spines triangular to conical)

Genus Antipathes

Aphanipathes
(polyps 1-3 mm in transverse diameter, spines conical to cylindrical)

Genus Aphanipathes

Cupressopathes
(polyps < 1 mm in transverse diameter, corallum columnar)

Genus Cupressopathes

Myriopathes
(polyps < 1 mm in transverse diameter, corallum flabellate)

Genus Myriopathes

Decision path