Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Deuterostomia (deuterostomes) Phylum Chordata (chordates) Craniata (craniates) Subphylum Vertebrata (vertebrates) Class Cephalaspidomorphi (lampreys) Order Petromyzontiformes (lampreys) Family Petromyzontidae (lampreys) Genus Lampetra Species Lampetra minima (Miller Lake Lamprey)
