Authors(s)	Creaser, C. W.; Hubbs, C. L.
Year	1922
Title	A revision of the Holarctic Lampreys. Occ. Papers Mus. Zool. Univ. Mich., 120: 14 p.

• Lampetra fluviatilis
• Lenthenteron
• Lethenteron japonicum
• Petromyzon marinus