| Polycelis borealis Kenk, 1953 | | w | latest taxonomic authority | |
| Polycelis sierrensis Kenk, 1973 | | w | primary taxonomic authority (describer) | 9-12, Figs 6c, 7, 8 |
| Seidlia sierrensis (Kenk, 1973) | | w | primary taxonomic authority (describer) | 9-12 |
| Polycelis (Polycelis) coronata brevipenis Kenk, 1972 | [with synonyms] | w | other taxonomic work | 8-9 |
| Polycelis (Polycelis) coronata borealis Kenk, 1953 | | w | other taxonomic work | 7-8 |
| Polycelis (Polycelis) coronata (Girard, 1891) | [with synonyms] | w | other taxonomic work | 3-8 |
| Polycelis (Polycelis) coronata coronata (Girard, 1891) | [with synonyms] | w | other taxonomic work | 3-8 |
| Planariidae Polycelis Ehrenberg, 1831 | | w | other taxonomic work | |
| Polycelis Polycelis Ehrenberg, 1831 | | w | other taxonomic work | |
| Phagocata coronata Girard, 1891 | | w | other taxonomic work | 1 |
| Polycelis nigra (Müller, 1774) | [with synonyms] | w | other taxonomic work | 1 |
