Subfamily Xenomystinae (knifefish)
Osteichthyes - Osteoglossiformes - Notopteridae
Parent taxon: Notopteridae according to J. S. Nelson et al. 2016
Sister taxa: Notopteridarum, Notopterinae, Notopterus
Subtaxa: none
Ecology: nektonic carnivore
Distribution: there are no occurrences of Xenomystinae in the database