| Species | Name Used |
|---|---|
| Trididemnum erythraeum Michaelsen, 1923 | Trididemnum erythraeum (p. 173 ) |
| Trididemnum globuliferum (Sluiter, 1913) | Trididemnum globuliferum (p. 173 ) |
| Trididemnum granosum (Sluiter, 1909) | Trididemnum granosum (p. 173 ) |
| Trididemnum luderitzi Michaelsen, 1919 | Trididemnum luderitzi (p. 173 ) |
| Trididemnum microzoa (Redikorzev, 1913) | Trididemnum microzoa (p. 173 ) |
| Trididemnum natalense Michaelsen, 1920 | Trididemnum natalense (p. 173 ) |
| Trididemnum opacum (Ritter, 1907) | Trididemnum opacum (p. 173 ) |
| Trididemnum profundum (Sluiter, 1909) | Trididemnum profundum (p. 175-177 ) |
| Trididemnum ramosum (Gottschaldt, 1898) | Trididemnum ramosum (p. 173 ) |
| Trididemnum sansibaricum (Michaelsen, 1920) | Trididemnum sansibaricum (p. 173 ) |
| Trididemnum savignii (Herdman, 1886) | Trididemnum savignii (p. 178-182 ) |
| Trididemnum spiculatum Kott, 1962 | Trididemnum spiculatum (p. 173 ) |
| Trididemnum symbioticum Pérès, 1962 | Trididemnum symbioticum (p. 173 ) |