Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Agnatha
Cephalaspidomorphi (Cephalaspidomorphs)
Lamprey (Petromyzontiformes)
Petromyzontidae (Northern lampreys)
Mordacia
Mordacia praecox (2647293)
English name: non-parasitic lamprey