root › cellular organisms › Eukaryota › Opisthokonta › Metazoa › Eumetazoa › Bilateria › Deuterostomia › Chordata › Craniata › Vertebrata › Gnathostomata › Teleostomi › Euteleostomi › Actinopterygii › Actinopteri › Neopterygii › Teleostei › Osteoglossocephalai › Clupeocephala › Otomorpha › Ostariophysi › Otophysi › Cypriniphysae › Cypriniformes › Cyprinoidei › Leuciscidae › Leuciscinae › Squalius › Squalius cephalus