TY - JOUR AU - Triques, Mauro L. PY - 2006/02/20 Y2 - 2024/03/28 TI - Análise cladística dos caracteres de anatomia externa e esquelética de Apteronotidae (Teleostei: Gymnotyiformes) JF - Lundiana: International Journal of Biodiversity JA - Lundiana VL - 6 IS - 2 SE - Artigos DO - 10.35699/2675-5327.2005.22106 UR - https://periodicos.ufmg.br/index.php/lundiana/article/view/22106 SP - 121-149 AB - <p style="margin-bottom: 0cm; font-weight: normal; line-height: 100%;" align="justify"><span style="font-family: Times New Roman, serif;"><span style="font-size: medium;">Cladistic analysis of external morphology and skeletal characters was undertaken for 37 species of Apteronotidae, Neotropical electric fishes. <em>Orthosternarchus </em>+ <em>Sternarchorhamphus </em>(included here in Sternarchorhamphinae status novo) are proposed to be the sister taxa to all remaining apteronotids, most of which form a basal polytomy in Apteronotinae. Several apteronotid species are currently <em>incertae sedis </em>but the monophyly of several genera were corroborated. <em>Sternarchorhynchus </em>is proposed to be the sister group of <em>Ubidia magdalensis </em>+ <em>Platyurosternarchus macrostomus</em>, together forming the Sternarchorhynchini. Snout elongation was revealed to have occurred in several independent evolutionary lines as the Sternarchorhynchini, <em>Orthosternarchus </em>and <em>Sternarchorhamphus</em>. <em>Apteronotus </em>is restricted here to <em>A. albifrons </em>+ <em>A. jurubidae </em>and postulated to be the sister group to <em>Parapteronotus, </em>which includes <em>P. hasemani </em>+ <em>P. macrostomus</em>. “<em>Apteronotus</em>” <em>leptorhynchus </em>is postulated to be the sister group to “<em>Apteronotus” cuchillo </em>+ <em>Sternarchogiton cuchillejo </em>and this three-species group is itself postulated to be the sister group of <em>Apteronotus </em>+ <em>Parapteronotus, </em>and <em>“Apteronotus” bonapartii </em>postulated to be the sister group to “<em>Apteronotus</em>” <em>apurensis</em>. Autapomorphies were found for most of the species. A classification is presented for the family.</span></span></p> ER -