| Citation | Natividad, F. and V.S. Palpal-Latoc, 1986 Philippine Annelids. In Guide to Philippine Flora and Fauna 6:269-342. Natural Resources Management Center, Ministry of Natural Resources and University of the Philippines. |
| Ref. | 82624 Natividad, F. and V.S. Palpal-Latoc, 1986 |
| Page | 326 |
| Named Used as Valid | Notopygos labiatus |
| Locality | |
| Distribution | Philippines. |