| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Mesoniscus calcivagus Verhoeff, 1914 | Mesoniscus calcivagus | 19 |
| Mesoniscus cavicolus Carl, 1906 | Mesoniscus cavicolus | 19 |
| Mesoniscus histrianorum Arcangeli, 1939 | Mesoniscus histrianorum | 19 |
| Mesoniscus subterraneus Verhoeff, 1914 | Mesoniscus subterraneus | 19 |