Cyathotrochus Bourne, 1905

Diagnosis.

Corallum cuneiform, with rounded base and calice elliptical in cross section. GCD ≤ 25.0 mm. Costae highly ridged, independent in origin, and serrate in ornamentation. Intercostal region equal to costae in width, not pitted, and quite deep. Septa highly exsert and hexamerally arranged in four or five cycles (48-96 septa). Lamellar pali in three crowns before all but last septal cycle (P1-3 or P1-4), higher cycle pali arranged in chevrons. Columella papillose to sub-lamellar.

Type species.

Cyathotrochus herdmani Bourne, 1905 by monotypy.