This genus is recognised by two extant species:
Temperate Southern Africa realm. Agulhas province (Off Western Cape and Eastern Cape, South Africa.
RV 0935. South Africa, Western Cape, Cape St. Francis, dredged offshore, depth 65 m, June 2005. Scale bar is 1 cm.
Tropical Atlantic realm. Gulf of Guinea province (Cameroon to Angola,, Sao Tome & Principe).
Holotype MNHN-IM-2000-1301. Sao Tome & Principe, Principe.