Aegla manuinflata, a new species of freshwater anomuran (Decapoda: Anomura: Aeglidae) from Brazil, determined by morphological and molecular characters

被引：23

作者：

Santos, Sandro ^{[1
]}

Bond-Buckup, Georgina ^{[2
]}

Perez-Losada, Marcos ^{[3
]}

Bartholomei-Santos, Marlise Ladvocat ^{[1
]}

Buckup, Ludwig ^{[2
]}

机构：

[1] Univ Fed Santa Maria, Dept Biol, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Fed Rio Grande do Sul, Dept Zool, BR-91510970 Porto Alegre, RS, Brazil

[3] Univ Porto, CIBIO, Ctr Invest Biodiversidade & Recursos Genet, P-4485661 Vairao, Portugal

来源：

ZOOTAXA | 2009年 / 2088期

关键词：

Aeglidae; Anomuran crab; biogeography; COII; mtDNA sequence; Uruguay basin; SYSTEMATICS; CHILE; CRABS;

D O I：

10.11646/zootaxa.2088.1.4

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

A new species of freshwater anomuran, Aegla manuinflata n. sp. (Decapoda: Anomura: Aeglidae), is described from the Ibicui River basin, a tributary of the Uruguay River, from the central region of the state of Rio Grande do Sul, Brazil. It can be distinguished from its congeners based on both morphological and molecular ( mitochondrial gene - COII) evidence. Morphologically, the new species partly resembles A. inermis and A. uruguayana, but differs in having an inflated cheliped propodus and more elongated dactyls, besides other features. Our molecular results showed a high degree of genetic divergence between A. manuinflata and its sister group (composed of A. singularis, A. uruguayana, A. rossiana and A. platensis), an indication of species distinctness within the Aeglidae.

引用

页码：31 / 40

页数：10

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