| Leptoplana inconspicua (Pease, 1860) | | - | primary taxonomic authority (describer) | |
| Leptoplana irrorata (Pease, 1860) | | - | primary taxonomic authority (describer) | |
| Pseudoceros maculatus (Pease, 1860) | | - | primary taxonomic authority (describer) | LXX, 5, 6 |
| incertae sedis Peasia Gray & Pease, 1860 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Peasia inconspicua Pease, 1860 | | w | primary taxonomic authority (describer) | |
| Peasia irrorata Pease, 1860 | | w | primary taxonomic authority (describer) | |
| Peasia maculata Pease, 1860 | | w | primary taxonomic authority (describer) | |
| Peasia tentaculata Pease, 1860 | | w | primary taxonomic authority (describer) | |
| Peasea inconspicua (Pease, 1860) | | w | primary taxonomic authority (describer) | |
| Peasea irrorata (Pease, 1860) | | w | primary taxonomic authority (describer) | |
| Peasea maculata (Pease, 1860) | | w | primary taxonomic authority (describer) | |
| Peasea tentaculata (Pease, 1860) | | w | primary taxonomic authority (describer) | |
| incertae sedis Planaridium Pease, 1860 | | w | primary taxonomic authority (describer) | |
| Leptoplana inconspicua Pease, 1860 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Leptoplana irrorata Pease, 1860 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Eurylepta maculata (Pease, 1860) | | w | primary taxonomic authority (describer) | |
| Pseudoceros maculatus (Pease, 1860) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Thysanozoon brocchii tentaculatum var. (Pease, 1860) | | w | primary taxonomic authority (describer) | |
| Thysanozoon tentaculatum (Gray in Pease, 1860) | [with synonyms] | w | primary taxonomic authority (describer) | |
