Subfamilies in family : Gymnotidae
Ref: Craig JM, Kim LY, Tagliacollo VA, Albert
JS (2019)
Phylogenetic revision of Gymnotidae
(Teleostei: Gymnotiformes), with descriptions of
six subgenera. PLoS ONE 14(11): e0224599. http://doi.org/10.1371/journal.pone.0224599