Rhytisma is a genus of soft corals that belongs to the family Alcyoniidae. This genus has a wide geographic distribution however despite its wide range, it is a relatively uncommon genus.
The best studied member of this genus is Rhytisma fulvum.
This genus currently contains 10 species. Below is a list of species in the genus :
The genus use to contain four species; R. fulvum, R. fuscum, R. monticulum and R. rubiginosum. A revision of the genus in 2026 expanded the number of species to ten.