Deltocyathus

Deltocyathus is a genus of cnidarians belonging to the monotypic family Deltocyathidae.

The genus has cosmopolitan distribution.

Species
Species:
 * Deltocyathus agassizi Pourtalès, 1867
 * Deltocyathus alatus Tenison-Woods, 1878
 * Deltocyathus aldingensis Tenison-Woods, 1878