| Citation | Masagca, J.T., 2011 Occurrence of arboreal-climbing grapsids and other brachyurans in two mangrove areas of southern Luzon, Philippines. Biotropia 18(2):61-73. |
| Ref. | 132300 Masagca, J.T., 2011 |
| Page | tab.2 |
| Named Used as Valid | Ptychognathus altimana |
| Locality | |
| Distribution | Philippines (Catanduanes and Quezon). |