New species of Jenynsia (Teleostei: Cyprinodontiformes) from southern Brazil and its phylogenetic relationships

被引：0

作者：

Ghedotti, MJ

Meisner, AD

Lucinda, PHF

机构：

[1] Regis Univ, Dept Biol D8, Denver, CO 80221 USA

[2] Amer Museum Nat Hist, Dept Ichthyol, New York, NY 10024 USA

[3] Univ Tocantins, Lab Ictiol, BR-77500000 Porto Nacional, TO, Brazil

来源：

COPEIA | 2001年 / 03期

关键词：

D O I：

10.1643/0045-8511(2001)001[0726:NSOJTC]2.0.CO;2

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

A new species of Jenynsia from southern Brazil is described. Jenynsia weitzmani n. sp. from the rio Pinheiros drainage in Santa Catarina state is diagnosed by a single dark midlateral stripe, absence of associated dark dorsolateral or ventrolateral stripes or blotches in adults, a terminal to slightly oblique mouth, and absence of the first mandibular-canal pore (pore W). A phylogenetic analysis of primarily osteological data supported the new species as sister to a group composed of J. eirmostigma and J. eigenmanni within the subgenus Plesiojenynsia. A key to Jenynsia species is provided.

引用

页码：726 / 736

页数：11

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