Notopteroidei
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Notopteroidei | ||||||||||
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Scientific classification | ||||||||||
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Families | ||||||||||
Ostariostomidae (extinct) |
Notopteroidei is a sub-order of the group Osteoglossiformes that contains the Notopteridae (feather backs and knifefish) and mormyrids (the elephantfishes) as well as extinct families.[1]