Polycyathus Duncan, 1876

Diagnosis.

Corallum colonial. Corallites cylindrical to slightly conical bud from a common coenosteum or from stolons. Septotheca costate. Three to four cycles of septa. Pali present before all but last septal cycle. Columella papillose.

Type species.

Polycyathus atlanticus Duncan, 1876, by monotypy.