| Monodictys nitens (Schwein). S. Hughes, 1958 |
| Monodictys pandani Matsush., 1985 |
| Monodictys paradoxa (Corda) S. Hughes, 1958 |
| Monodictys pelagica (T. Johnson) E. B. G. Jones, 1963 |
| Monodictys peruviana Matsush., 1993 |
| Monodictys putredinis (Wallr.) S. Hughes, 1958 |
| Monodictys sessilis Hol.-Jech., 1986 |
| Monodictys shigatsensis Y.M. Wu & T.Y. Zhang, 2009 |
| Monodictys spinosa Mercado, Heredia & J. Mena, 1995 |
| Monostoma Zeder, 1800 |
| Monostoma album Kühl & van Hasselt, 1822 |
| Monostoma attenuatum Rudolphi, 1809 |
| Monostoma crucibulum Rudolphi, 1819 |
| Monostoma expansum Creplin, 1842 |
| Monostoma lineare Rudolphi, 1819 |
| Monostoma mutabile Zeder, 1800 |
| Monostoma pandum Braun, 1901 |
| Monostoma pumilio Looss, 1896 |
| Monostoma renicapite Leidy, 1856 |
| Monostoma vinaledwardsii Linton, 1901 |