-
-
Eumetazoa (metazoans)
-
Bilateria (bilaterally symmetrical animals)
-
Deuterostomia (deuterostomes)
-
-
Craniata (craniates)
-
-
-
Euteleostomi (bony vertebrates)
-
-
Order Cypriniformes
-
-
Genus Protomyzon
-
-
-
-
-
-
-
-
-
-
-
-
Protomyzon whiteheadi
怀氏原吸鳅
(Also: Balitora Whiteheadova)