| Nominal Species (n = 15) | Present allocation (n = 15) | Ref. |
|---|---|---|
| Sclerothamnus clausi Marshall, 1875 | Sclerothamnus clausi | 3125 |
| Sclerothamnopsis compressa Wilson, 1904 | Sclerothamnopsis compressa | 19 |
| Anomochone expansa Ijima, 1927 | Anomochone expansa | 19 |
| Hexactinella lingua Ijima, 1927 | Hexactinella lingua | 19 |
| Hexactinella minor Dendy & Burton, 1926 | Hexactinella minor | 19 |
| Hexactinella monticularis Lendenfeld, 1915 | Hexactinella monticularis | 19 |
| Tretodictyum pumicosum Ijima, 1927 | Tretodictyum pumicosum | 19 |
| Hexactinella rugosa Ijima, 1927 | Hexactinella rugosa | 19 |
| Tretodictyum schrammeni Ijima, 1927 | Tretodictyum schrammeni | 19 |
| Sclerothamnopsis schulzei Ijima, 1927 | Sclerothamnopsis schulzei | 84290 |
| Hexactinella spongiosa Ijima, 1927 | Hexactinella spongiosa | 19 |
| Hexactinella tubulosum Schulze, 1886 | Tretodictyum tubulosum | 75097 |
| Hexactinella ventilabrum Carter, 1885 | Hexactinella ventilabrum | 19 |
| Hexactinella vermiculosa Ijima, 1927 | Hexactinella vermiculosa | 19 |
| Psilocalyx wilsoni Ijima, 1927 | Psilocalyx wilsoni | 19 |