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Notopteroidei

Notopteroidei
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Osteoglossiformes
Suborder: Notopteroidei
Families

Ostariostomidae (extinct)
Notopteridae (featherfin knives)
Gymnarchidae (aba)
Lycopteridae (extinct)
Mormyridae (elephantfishes)


Ostariostomidae (extinct)
Notopteridae (featherfin knives)
Gymnarchidae (aba)
Lycopteridae (extinct)
Mormyridae (elephantfishes)

Notopteroidei is a suborder of the order Osteoglossiformes that contains the Gymnarchidae (aba), Notopteridae (feather backs and knifefish), mormyrids (the elephantfishes), as well as extinct families.



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Wikipedia

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