A new species of Creagrutus Gunther (Teleostei: Ostariophysi: Characiformes), from the upper Rio Parana Basin, central Brazil

被引：19
|
作者：
Ribeiro, AC [1 ]
Benine, RC
Figueiredo, CA
机构：
[1] Univ Sao Paulo, FFCLRP, Dept Biol, Lab Ictiol Ribeircao Preto, Av Bandeirantes 3900, BR-14040901 Sao Paulo, SP, Brazil
[2] Univ Sao Paulo, Museu Zool, BR-04263000 Sao Paulo, SP, Brazil
来源：
JOURNAL OF FISH BIOLOGY | 2004年 / 64卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
Creagrutus; new species; phylogeny; Rio Parana basin;
D O I：
10.1111/j.1095-8649.2004.00324.x
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
Creagrutus varii n. sp. is described based on material from the Rio Sao Marcos basin, in the upper Rio Parana system, Goias State, Brazil. This is the first record of Creagrutus in the upper Rio Parana. The new species is proposed to be the sister group of the remaining species of Creagrutus. Creagrutus varii differs from congeners in the morphology of the maxilla, primordial ligament, premaxillary dentition and other features. The evolution of premaxillary tooth morphology in Piabina and Creagrutus and the biogeography of the Rio Paranaiba basin are discussed. (C) 2004 The Fisheries Society of the British Isles.
引用
收藏
页码：597 / 611
页数：15
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