Theelothuria, Subgenus (Holothuria)
Thymiosycia, Subgenus (Holothuria)
Thyone buccalis – synonym of Stolus buccalis
Thyone castanea – synonym of Thyone papuensis
Thyone fusus var. papuensis – synonym of Thyone papuensis
Thyone mirabilis – synonym of Havlockia versicolor
Thyone rigida – synonym of Stolus buccalis
Thyone sacellus – synonym of Stolus buccalis
Thyonidium cebuense – synonym of Phyllophorus cebuensis
Thyonidium schmeltzii – synonym of Cladolabes schmeltzi
Trepang ananas – synonym of Thelenota ananas