Selenkothuria, Subgenus (Holothuria)
Semperothuria, Subgenus (Holothuria)
Stauropora, Subgenus (Holothuria)
Stereoderma murrayi – synonym of Stolus buccalis
Stereoderma validum – synonym of Plesiocolochirus spinosus
Stichopus (Gymnochirota) cinerascens – synonym of Holothuria cinerascens
Stichopus (Gymnochirota) leucospilota – synonym of Holothuria leucospilota
Stichopus ananas – synonym of Thelenota ananas
Stichopus rigida – synonym of Holothuria rigida
Stolus sacellus – synonym of Stolus buccalis
Synapta glabra – synonym of Opheodesoma glabra
Synapta godeffroyi – synonym of Euapta godeffroyi
Synapta grisea – synonym of Opheodesoma grisea
Synapta kefersteinii – synonym of Polyplectana kefersteini
Synapta nigra – synonym of Pendekaplectana nigra
Synapta recta – synonym of Synaptula recta
Synapta similis – synonym of Protankyra similis
Synapta verrilli – synonym of Protankyra verrilli