Lampetra is a genus of lampreys in the family Petromyzontidae.

Phylogenetic studies indicate that this genus as presently defined is polyphyletic, with species of this genus from western North America forming a clade that forms the sister group to Lethenteron, Eudontomyzon, and Lampetra sensu stricto (eastern North American and European species).

[1] The currently recognized species in this genus are:[2]

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