Slender Roboastra 
Spanish dancer 
Strawberry Nudibranch 
Striped Phyllidiopsis 
Tambja mediterranea 
Tambja mullineri 
Tambja olivaria 
Taringa halgerda 
Tenellia bughaw 
Tenellia melanobrachia 
Tenellia punicea 
Thecacera picta 
Thordisa albomacula 
Thorunna florens 
Thorunna furtive 
Thorunna halourga 
Three-lobed T-bar Nudibranch 
Trapania gibbera 
Trapania kamagong 
Trapania lemanioides 
Trapania lemnalioides 
Trapania miltabrancha 
Trapania palmula 
Trapania scurra