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Entity:

Gymnotiformes (Order) - Neotropical knifefishes ..Apteronotidae (Family) - ghost knifefishes ..[Electrophoridae] (Family) - electric knifefishes ..Gymnotidae (Family) - gymnotid eels ..[Gymnotoidei] (Suborder) ..Hypopomidae (Family) - bluntnose knifefishes ..Rhamphichthyidae (Family) - painted knifefishes ..Sternopygidae (Family) - glass knifefishes ..[Sternopygoidei] (Suborder) ....[Apteronotoidea] (Superfamily) ....[Rhamphichthyoidea] (Superfamily) ....[Sinusoidea] (Superfamily)

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Last updated: 28 Aug 2026