Family Osteoglossidae
This family regroups all Bonytongue species.

Osteoglossum ferreirai – Black arawana
Scleropages formosus – Asian bonytongue
Scleropages jardinii – Australian bonytongue

Family Arapaimidae
This family regroups all Arapaima species.

Arapaima gigas – Arapaima
Heterotis niloticus – African bonytongue

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