| Girardia barbarae (Mitchell & Kawakatsu, 1973) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Girardia guatemalensis (Mitchell & Kawakatsu, 1973) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Girardia typhlomexicana (Mitchell & Kawakatsu, 1973) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Dugesia barbarae Mitchell & Kawakatsu, 1973 | w | primary taxonomic authority (describer) | ||
| Dugesia guatemalensis Mitchell & Kawakatsu, 1973 | w | primary taxonomic authority (describer) | ||
| Dugesia typhlomexicana Mitchell & Kawakatsu, 1973 | w | primary taxonomic authority (describer) |