Hilton, E.J.; C.C. Fernandes (2017). "Identity of "Apteronotus" bonapartii (Castelnau, 1855), a sexually dimorphic South American knifefish from the Amazon, with notes on its cranial osteology and on the taxonomic status of "Apteronotus" apurensis Fernández-Yépez, 1968 (Gymnotiformes, Apteronotidae)". Proceedings of the Academy of Natural Sciences of Philadelphia. 165: 91–103. doi:10.1635/053.165.0109.