Subfamily Heterodontinae (arowana)
Osteichthyes - Osteoglossiformes - Osteoglossidae
Parent taxon: Osteoglossidae according to J. S. Nelson et al. 2016
Sister taxa: Dapedoglossus, Heterotidinae, Heterotis, Osteoglossidarum, Osteoglossinae, Scleropages
Subtaxa: none
Ecology: nektonic carnivore
Distribution: there are no occurrences of Heterodontinae in the database