Auchenipteridae Bleeker, 1862 Included taxa. Auchenipterinae and Centromochlinae. Diagnosis. The Auchenipteridae is diagnosed by the following characters: adipose fin short, thin and teardrop-shaped (#5: 0>2, also present in some non-Auchenipteridae catfishes), maxillary barbel moving vertically (#13: 0>1, exclusive), suborbital groove present (#14: 0>1, exclusive), reproduction by insemination (#43: 0>1, exclusive), posterior testicular lobes modified into hypertrophied storage bags (#44: 0>1, reversed in Asterophysus, Centromochlus, Glanidium, Tatia, and modified in Ageneiosus and Auchenipterus), urogenital opening at base of first anal-fin rays in males (#46: 0>1, exclusive), urogenital opening wide in females (#50: 0>1, exclusive), posterolateral margin of epiotic participating in the border of cephalic shield (#84: 0>1, reversed in Asterophysus and Liosomadoras, present also in some doradids), infraorbital 1 participating in orbital margin (#97: 0>1, present also in Astrodoradinae, and in the doradids Acanthodoras, Agamyxis, Lithodoras, and Pterodoras), vertical rows of neuromasts dorsal to lateral line present (#117: 0>1, reversed in Ageneiosus, Auchenipterus, Entomocorus, Epapterus, Gelanoglanis, Pseudepapterus, Spinipterus, and Tetranematichthys), posterodorsal process of hyomandibula present (#159: 0>1, reversed in Asterophysus, Auchenipterus, Entomocorus, Epapterus, Gelanoglanis, and Pseudepapterus), suprapreopercle present (#167: 0>1, reversed in Liosomadoras, present also in some non-Auchenipteridae catfishes), first hypobranchial cylindrical (#191: 0>1, reversed in Auchenipterus, Entomocorus, Epapterus, Glanidium, Psedepapterus, present also in some doradids), first free vertebra eighth (#217: 1>3, reversed in Gelanoglanis, Pseudepapterus, modified in Auchenipterichthys, Centromochlus, Tocantinsia, Trachelyopterichthys, Trachelyopterus, and Trachycorystes, present also in some non-Auchenipteridae catfishes), lateral process of basipterygium with well-developed cartilaginous extension (#285: 0>1, reversed in Ageneiosus, Auchenipterus, Entomocorus, Epapterus, Pseudepapterus, Tetranematichthys, present also in some non-Auchenipteridae catfishes), five to eight branched anal-fin rays (#287: 1>0, modified in most auchenipterids, present also in some non-Auchenipteridae catfishes).

Published as part of Birindelli, José L. O., 2014, Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes), pp. 451-564 in Neotropical Ichthyology 12 (3) on page 533, DOI: 10.1590/1982-0224-20120027, http://zenodo.org/record/12718979