4896 Entosphenus macrostoma (Beamish, 1982) Petromyzontidae Northern lampreys Lampetrinae Petromyzontiformes Petromyzonti Vancouver lamprey North America: southern Vancouver Island, British Columbia. Occurrence in USA needs confirmation (Ref. 2583). UBC 110423 Entosphenus macrostomus UBC 100027 Lampetra macrostoma UBC 100004 Lampetra macrostoma UBC 100003 Lampetra macrostoma