| Citation | Solís-Weiss, V., Y. Bertrand, M. Helléouet and F. Pleijel, 2004 Types of polychaetous annelids at the Muséum national d'Histoire naturelle, Paris. Zoosystema 26(3):377-384. |
| Ref. | 8357 Solís-Weiss, V., Y. Bertrand, M. Helléouet and F. Pleijel, 2004 |
| Page | S3 |
| Named Used as Valid | Mediomastus thomassini |
| Locality | |
| Distribution | Tulear, Madagascar. |