| Citation | Hardisty, M.W., 1986, Petromyzon marinus (Linnaeus 1758).. p. 94-116. In J. Holcík (ed.) The Freshwater fishes of Europe. Vol. 1, Part 1. Petromyzontiformes. |
| Ref. | 12324 Hardisty, M.W., 1986 |
| Page | 106 |
| Named Used as Valid | Xiphias gladius |
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