Subfamily Heterotidinae Nelson 1968 (arowana)
Actinopteri - Osteoglossiformes - Osteoglossidae
Alternative spelling: Heterotinae
Parent taxon: Osteoglossidae according to G.-q. Lim 1996
See also Newbrey and Bozek 2000
Sister taxa: Dapedoglossus, Heterodontinae, Heterotis, Osteoglossidarum, Osteoglossinae, Scleropages
Subtaxa: none
Ecology: nektonic carnivore
Distribution: found only at Pajcha Pata (Cretaceous of Bolivia)