| Scientific Name | Author | English Name |
|---|---|---|
| Alderella comosa | (Costa, 1867) | |
| Alderiopsis garfio | Caballer, Ortea & Espinosa, 2006 | |
| Ercolania boodleae | (Baba, 1938) | Boodlea sapsucker |
| Ercolania coerulea | Trinchese, 1893 | Blue stiliger |
| Ercolania funerea | (Costa, 1867) | |
| Ercolania fuscata | (Gould, 1870) | Dusky stiliger |
| Ercolania fuscovittata | (Lance, 1962) | |
| Ercolania gopalai | (Rao, 1937) | |
| Ercolania kencolesi | Grzymbowski, Stemmer & Wägele, 2007 | |
| Ercolania lozanoi | Ortea, 1981 | |
| Ercolania margaritae | Burn, 1974 | |
| Ercolania nigra | (Lemche, 1935) | |
| Ercolania tentaculata | (Eliot, 1917) | |
| Ercolania translucens | Jensen, 1993 | |
| Ercolania viridis | (Costa, 1866) | |
| Limapontia capitata | (Müller, 1774) | |
| Limapontia depressa | Alder & Hancock, 1862 | |
| Limapontia nigra | Müller, 1773 | |
| Limapontia senestra | (Quatrefages, 1844) | |
| Limapontia zonata | (Girard, 1852) | |
| Placida cremoniana | (Trichese, 1892) | Cremona's slug |
| Placida daguilarensis | Jensen, 1990 | |
| Placida dendritica | (Alder & Hancock, 1843) | Dendritic placida |
| Placida kevinleei | McCarthy, Krug & Á. Valdés, 2017 | |
| Placida saronica | (Thompson, 1988) | |
| Placida sudamericana | Cetra, Gutiérrez Gregoric & Roche, 2021 | |
| Placida tardyi | (Trinchese, 1873) | |
| Placida verticilata | Ortea, 1981 | |
| Sacoproteus nishae | Krug, Wong, M. R. Medina, Gosliner & Á. Valdés, 2018 | |
| Sacoproteus smaragdinus | (Baba, 1949) | Emerald slug |
| Stiliger talis | Marcus & Marcus, 1956 |