期刊
MOLECULAR PHYLOGENETICS AND EVOLUTION
卷 96, 期 -, 页码 130-139出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ympev.2015.11.018
关键词
Evolution; Freshwater sardines; Phylogeny; Molecular systematics; Neotropical fishes
资金
- PNPD/Capes
- CNPq [309632/2007-2, FAPESP 2014/05051-5]
Triportheidae represents a relatively small family of characiform fishes with highly modified morphology. The relationship among characiform families is still unclear, and a phylogenetic analysis for the family including a representative number of Triportheus species has never been performed. Here, we inferred a phylogeny for 19 of the 22 species recognized for this family and two possible new Triportheus species using two mitochondrial and three nuclear genes. Our results show that (1) Triportheidae is monophyletic and a sister group of the Glade consisting of the families Bryconidae and Gasteropelecidae; (2) Triportheus is monophyletic, but some species need to be reviewed and described; (3) all genera in Triportheidae, except for Agoniates originated in the period between Early Oligocene and Early Miocene; and (4) speciation in Triportheidae coincides with important geological events in South America, reinforcing the importance of time-calibrated trees to study fish evolution. (C) 2015 Elsevier Inc. All rights reserved.
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