| Pericelis byerleyana (Collingwood, 1876) | prior to 1902 |  |  |  | 
| Discoplana gigas Schmarda, 1859 | 1944 or earlier |  |  |  | 
| Paraplanocera oligoglena (Schmarda, 1859) | 1944 or earlier |  |  | Minikoi. | 
| Pseudoceros flavomarginatus Laidlaw, 1902 | 1944 or earlier |  |  |  | 
| Leptoplana sp. Laidlaw, 1902 | 1902 or earlier |  |  | Maledives, Minikoi. | 
| Planocera langii Laidlaw, 1902 | 1902 or earlier |  |  |  | 
| Leptoplana pardalis Laidlaw, 1902 | 1902 or earlier |  |  |  | 
| Leptoplana sp. Laidlaw, 1902 | 1902 or earlier |  |  |  | 
| Cestoplana maldivensis Laidlaw, 1902 | 1902 or earlier |  |  | A single specimen from the reef of Minikoi, Laccadive group. | 
| Pericelis byerleyana (Collingwood, 1876) | 1902 or earlier |  |  | Five specimens from Minikoi. | 
| Thysanozoon plehni Laidlaw, 1902 | 1902 or earlier |  |  | Three specimens 'from the reef-flat"  Minikoi, with "brown to slate-black papillae". | 
| Pseudoceros gamblei Laidlaw, 1902 | 1902 or earlier |  |  | Several specimens from Minikoi, Laccadive Group, 'milk-white' or 'transparent flesh colour' with purple or dark-blue rims. | 
| Pseudoceros tigrinus Laidlaw, 1902 | 1902 or earlier |  |  | One specimen from Minikoi, Laccadive Group. | 
| Pseudoceros buskii (Collingwood, 1876) | 1902 or earlier |  |  | Ten specimens fro Hulule and Minikoi. |