| Nominal Species (n = 5) | Present allocation (n = 5) | Ref. |
|---|---|---|
| Echinothambema aculeata Mezhov, 1981 | Echinothambema aculeata | 19 |
| Echinothambema argentinensis Malyutina, Wägele & Brenke, 2001 | Echinothambema argentinensis | 3113 |
| Vemathambema argentinensis Malyutina, Wägele, & Brenke, 2001 | Vemathambema argentinensis | 3113 |
| Vemathambema elongata Menzies, 1962 | Vemathambema elongata | 19 |
| Echinothambema ophiuroides Menzies, 1956 | Echinothambema ophiuroides | 19 |