| Polycladodes | alba | Steinmann, 1910 | |
| Dendrocoelum | album | (Steinmann, 1910) | |
| Dendrocoelum | lacteum | bathycola | (Steinmann, 1909) |
| Crenobia | alpina | bathycola | (Steinmann, 1911) |
| lactea | bathycola | Steinmann, 1909 | |
| alpina | bathycola | Steinmann, 1911 | |
| Crenobia | bathycola | (Steinmann, 1911) | |
| Dendrocoelum | infernale | (Steinmann, 1907) | |
| Eudendrocoelum | infernale | (Steinmann, 1907) | |
| Paradendrocoelum | infernale | (Steinmann, 1907) | |
| Crenobia | infernalis | (Steinmann, 1907) | |
| Planaria | infernalis | Steinmann, 1907 | |
| Dugesia | mertoni | (Steinmann, 1914) | |
| Euplanaria | mertoni | (Steinmann, 1914) | |
| Planaria | mertoni | Steinmann, 1914 | |
| Dendrocoelidae | Polycladodes | Steinmann, 1910 | |
| Cercyra | teissieri | Steinmann, 1930 | |
| Crenobia | alpina | teratophila | (Steinmann, 1908) |
| Crenobia | teratophila | (Steinmann, 1908) | |
| Planaria | teratophila | Steinmann, 1908 |
20 names, including those in new combination. (Max listing set to 900)