| Discoplana gigas Schmarda, 1859 | prior to 1859 |  |  | Trincomalee and Bellingham | 
| Paraplanocera oligoglena (Schmarda, 1859) | 1944 or earlier |  |  |  | 
| Callioplana marginata Stimpson, 1857 | 1944 or earlier |  |  |  | 
| Centrostomum punctatum (Kelaart, 1858) | 1858 or earlier |  |  |  | 
| Centrostomum ocellatum (Kelaart, 1858) | 1858 or earlier |  |  | Trincomalee, Sri Lanka. | 
| Eurylepta violacea (1) (Kelaart, 1858) | 1858 or earlier |  |  |  | 
| Leptoplana alba Lang, 1880 | 1855 or earlier |  |  |  | 
| Leptoplana fulva (Kelaart, 1858) | 1858 or earlier |  |  |  | 
| Planocera aurea (Kelaart, 1858) | 1858 or earlier |  |  | sublittoral, off Palermo. | 
| Planocera thesea (Kelaart, 1858) | 1858 or earlier |  |  |  | 
| Prostheceraeus meleagrinus (Kelaart, 1858) | 1858 or earlier |  |  |  | 
| Pseudoceros dulcis (Kelaart, 1858) | 1858 or earlier |  |  | Trincomalee, Sri Lanka. | 
| Pseudoceros fuscus (Kelaart, 1858) | 1858 or earlier |  |  | Trincomalee, Sri Lanka. | 
| Pseudoceros purpureus (Kelaart, 1858) | 1858 or earlier |  |  | Trincomalee, Sri Lanka. | 
| Pseudoceros striatus (1) (Kelaart, 1858) | 1858 or earlier |  |  | Trincomalee, Sri Lanka. | 
| Pseudoceros zeylanicus (Kelaart, 1858) | 1858 or earlier |  |  | Trincomalee, Sri Lanka. | 
| Stylochoplana elegans (Kelaart, 1858) | 1858 or earlier |  |  | Trincomalee, Sri Lanka. |