Northeast Atlantic: Norway including Iceland and the Barents Sea, south to northern Africa. Throughout the western and central Mediterranean but absent from eastern Mediterranean and the Black Sea (Ref. 59043). Western Atlantic: Labrador, Canada to Gulf of Mexico in Florida, USA. Landlocked in Great Lakes, Finger Lakes, Oneida Lake and Lake Champlain, Canada/USA (Ref. 12269). Appendix III of the Bern Convention (2002). Annex II (excluding Swedish population) of the EC Habitats Directive (2007).
- Vladykov, V.D. 1984 Petromyzonidae. p. 64-67. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen, and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and Mediterranean. UNESCO, Paris. vol. 1. (Ref. 3161) http://www.fishbase.org/references/FBRefSummary.php?id=3161&speccode=2524
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