Sphenotrochus (Sphenotrochus) evexicostatus Cairns & Keller 1993

Cairns & Keller 1993. New taxa and distributional records of azooxanthellate Scleractinia (Cnidaria, Anthozoa) from the tropical south-west Indian Ocean, with comments on their zoogeography and ecology. Annals of the South African Museum, 103(5), December 1993: 213-292