Notopteroidei

Notopteroidei
Campylomormyrus tamandua
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Osteoglossiformes
Suborder: Notopteroidei
Jordan, 1923
Subgroups

Notopteroidei is a suborder of the order Osteoglossiformes that contains the extant families Gymnarchidae (aba), Notopteridae (feather backs and knifefish) and Mormyridae (elephantfishes), as well as several extinct taxa. The Mormyridae are weakly electric fishes, able to locate prey in turbid water.