| Nominal Species (n = 35) | Present allocation (n = 10) | Ref. |
|---|---|---|
| Dendrostomum alutaceum Grübe & Oersted, 1858 | Themiste alutacea | 1840 |
| Dendrostomum blandum Selenka & de Man, 1883 | Themiste blanda | 1840 |
| Dendrostoma dehamatum Kesteven, 1903 | Themiste dehamata | 1840 |
| Dendrostomum dyscritum Fisher, 1952 | Themiste dyscrita | 1840 |
| Dendrostoma ellipticum Satô, 1934 | Themiste dehamata | 1840 |
| Dendrostomum fisheri Amor, 1964 | Themiste dehamata | 1840 |
| Dendrostomum fuscum Edmonds, 1960 | Themiste minor | 1840 |
| Phascolosoma glaucum Lanchester, 1905 | Themiste lageniformis | 1840 |
| Themiste hennahi Gray, 1828 | Themiste hennahi | 19 |
| Dendrostoma hexadactylum Satô, 1930 | Themiste pyroides | 1840 |
| Dendrostoma huttoni Benham, 1904 | Themiste minor | 1840 |
| Phascolosoma huttoni Benham, 1903 | Themiste minor | 1840 |
| Themiste huttoni Cutler, E.B. | Themiste huttoni | 1871 |
| Themiste lageniformis Baird, 1868 | Themiste lageniformis | 19 |
| Golfingia lanchesteri Stephen & Edmonds, 1972 | Themiste lageniformis | 1840 |
| Dendrostomum lissum Fisher, 1952 | Themiste hennahi | 1840 |
| Dendrostoma minor Ikeda, 1904 | Themiste minor | 1840 |
| Dendrostoma mytheca Chamberlin, 1920 | Themiste hennahi | 1840 |
| Sipunculus orbiniensis de Quatrefages, 1865 | Themiste alutacea | 1840 |
| Dendrostoma perimeces Fisher, 1928 | Themiste hennahi | 1840 |
| Dendrostoma peruvianum Colling, 1892 | Themiste hennahi | 1840 |
| Dendrostoma petraeum Fisher, 1928 | Themiste pyroides | 1840 |
| Dendrostomum petricolum Amor, 1964 | Themiste alutacea | 1840 |
| Phascolosoma pyriformis Lanchester, 1905 | Themiste lageniformis | 1840 |
| Dendrostoma pyroides Chamberlin, 1920 | Themiste pyroides | 1840 |
| Dendrostomum ramosum de Quatrefages, 1865 | Themiste hennahi | 1840 |
| Sipunculus rapa de Quatrefages, 1865 | Themiste hennahi | 1840 |
| Dendrostoma robertsoni Stephen & Robertson, 1952 | Themiste lageniformis | 1840 |
| Dendrostomum rosaceum Amor, 1964 | Themiste alutacea | 1840 |
| Dendrostomum schmitti Fisher, 1952 | Themiste hennahi | 1840 |
| Dendrostoma signifer Selenka & de Man, 1883 | Themiste lageniformis | 1840 |
| Dendrostoma stephensoni Stephen, 1942 | Themiste lageniformis | 1840 |
| Dendrostoma tropicum Satô, 1935 | Themiste lageniformis | 1840 |
| Themiste variospinosa Edmonds, 1980 | Themiste variospinosa | 1840 |
| Dendrostoma zostericolum Chamberlin, 1920 | Themiste hennahi | 1840 |