Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

被引：16
|
作者：
Silva, Gabriel S. C. [1 ]
Melo, Bruno F. [1 ,2 ]
Oliveira, Claudio [1 ]
Benine, Ricardo C. [3 ]
机构：
[1] Univ Estadual Paulista, Inst Biociencias, Dept Morfol, R Prof Dr Antonio CW Zanin S-N, BR-18618689 Botucatu, SP, Brazil
[2] Smithsonian Inst, Natl Museum Nat Hist, Dept Vertebrate Zool, Washington, DC 20560 USA
[3] Univ Estadual Paulista, Inst Biociencias, Dept Zool, R Prof Dr Antonio CW Zanin S-N, BR-18618689 Botucatu, SP, Brazil
来源：
ZOOTAXA | 2016年 / 4200卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
Amazon basin; Characiformes; DNA barcode; Moenkhausia; Neotropical region; CHARACIFORMES CHARACIDAE; PHYLOGENY; FISHES; TAXA;
D O I：
10.11646/zootaxa.4200.1.1
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
The systematics of the characid genus Tetragonopterus is reviewed based on morphological and molecular data of specimens from its entire geographical range encompassing all major South American river drainages from Orinoco basin southward to the La Plata basin. Eight previously described species (T. anostomus, T. araguaiensis, T. argenteus, T. carvalhoi, T. chalceus, T. denticulatus, T. georgiae n. comb., and T. rarus) are recognized as valid, four of which are redescribed (T. argenteus, T. chalceus, T. georgiae, and T. rarus), and four new species from the Brazilian Shield in the Amazon and Sao Francisco river basins are herein described. We also provide evidence for the reallocation of Moenkhausia georgiae into Tetragonopterus and recognize T. akamai as junior synonym of T. anostomus. DNA barcodes of Tetragonopterus revealed genetic support for each recognized species and provided valuable population-level information within T. argenteus, T. chalceus, T. georgiae, and T. rarus.
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页码：1 / 46
页数：46
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