| Authors(s) | Ball, I. R. and R. A. Khan |
| Year | 1976 |
| Title | On Micropharynx parasitica Jägerskiöld, a marine planarian ectoparasitic on thorny skate, Raja radiata Donovan, from the North Atlantic Ocean. J. Fish. Biol. 8: 419-426. |
| Authors(s) | Ball, I. R. and R. A. Khan |
| Year | 1976 |
| Title | On Micropharynx parasitica Jägerskiöld, a marine planarian ectoparasitic on thorny skate, Raja radiata Donovan, from the North Atlantic Ocean. J. Fish. Biol. 8: 419-426. |