• Entosphenus macrostoma (Beamish, 1982)
• Entosphenus tridentatus (Richardson, 1836)
• Eptatretus deani (Evermann & Goldsborough, 1907)
• Eptatretus stouti (Lockington, 1878) accepted as Eptatretus stoutii (Lockington, 1878)
• Eptatretus stoutii (Lockington, 1878)
• Ichthyomyzon unicuspis Hubbs & Trautman, 1937
• Lampetra alaskensis (Vladykov & Kott, 1978) accepted as Lethenteron alaskense Vladykov & Kott, 1978
• Lampetra appendix (DeKay, 1842) accepted as Lethenteron appendix (DeKay, 1842)
• Lampetra ayresi (Günther, 1870) accepted as Lampetra ayresii (Günther, 1870) accepted as Occidentis ayresii (Günther, 1870)
• Lampetra ayresii (Günther, 1870) accepted as Occidentis ayresii (Günther, 1870)
• Lampetra camtschatica (Tilesius, 1811) accepted as Lethenteron camtschaticum (Tilesius, 1811)
• Lampetra japonica (Martens, 1868) accepted as Lethenteron camtschaticum (Tilesius, 1811)
• Lampetra lamottenii (Lesueur, 1827) accepted as Petromyzon lamottenii Lesueur, 1827 accepted as Lethenteron appendix (DeKay, 1842)
• Lampetra macrostoma Beamish, 1982 accepted as Entosphenus macrostoma (Beamish, 1982)
• Lampetra richardsoni Vladykov & Follett, 1965 accepted as Lampetra ayresii (Günther, 1870) accepted as Occidentis ayresii (Günther, 1870)
• Lampetra tridentatus (Richardson, 1836) accepted as Entosphenus tridentatus (Richardson, 1836)
• Lethenteron alaskense Vladykov & Kott, 1978
• Lethenteron appendix (DeKay, 1842)
• Lethenteron camtschaticum (Tilesius, 1811)
• Myxine glutinosa Linnaeus, 1758
• Occidentis ayresii (Günther, 1870)
• Petromyzon lamottenii Lesueur, 1827 accepted as Lethenteron appendix (DeKay, 1842)
• Petromyzon marinus Linnaeus, 1758