• Agnathomyzon caspicus Gratzianov, 1907 accepted as Caspiomyzon wagneri (Kessler, 1870)
• Agnathomyzon wagneri (Kessler, 1870) accepted as Caspiomyzon wagneri (Kessler, 1870)
• Ammocoetes aepyptera Abbott, 1860 accepted as Lampetra aepyptera (Abbott, 1860)
• Ammocoetes aureus Bean, 1881 accepted as Lethenteron camtschaticum (Tilesius, 1811)
• Ammocoetes bicolor Lesueur, 1818 accepted as Petromyzon marinus Linnaeus, 1758
• Ammocoetes borealis Agassiz, 1850 accepted as Ichthyomyzon fossor Reighard & Cummins, 1916
• Ammocoetes caeruleus Philippi, 1858 accepted as Geotria australis Gray, 1851
• Ammocoetes cibarius Girard, 1858 accepted as Lampetra ayresii (Günther, 1870)
• Ammocoetes coeruleus Philippi, 1858 accepted as Geotria australis Gray, 1851
• Ammocoetes communis Gistel, 1848 accepted as Lampetra fluviatilis (Linnaeus, 1758)
• Ammocoetes concolor Kirtland, 1840 accepted as Ichthyomyzon unicuspis Hubbs & Trautman, 1937
• Ammocoetes landbecki Philippi, 1858 accepted as Geotria australis Gray, 1851
• Ammocoetes unicolor DeKay, 1842 accepted as Ichthyomyzon fossor Reighard & Cummins, 1916
• Batymyzon bairdii (Gill, 1883) accepted as Petromyzon marinus Linnaeus, 1758
• Oceanomyzon wilsoni Fowler, 1908 accepted as Petromyzon marinus Linnaeus, 1758