Didiscus Dendy, 1922

Didiscus aceratus (Ridley & Dendy, 1886)

Didiscus anisodiscus Vacelet & Vasseur, 1971

Didiscus oxeata Hechtel, 1983

Didiscus placospongioides Dendy, 1922

Didiscus pseudodidiscoides (Corriero, Scalera-Liaci & Pronzato, 1996)

Didiscus spinoxeatus Corriero, Scalera-Liaci & Pronzato, 1997

Didiscus stylifer Tsurnamal, 1969