THREE NEW SPECIES OF AEGLA (ANOMURA) FRESHWATER CRABS FROM THE UPPER URUGUAY RIVER HYDROGRAPHIC BASIN IN BRAZIL

被引：23

作者：

Santos, Sandro ^{[1
]}

Bond-Buckup, Georgina ^{[2
]}

Buckup, Ludwig ^{[2
]}

Perez-Losada, Marcos ^{[3
]}

Finley, Maegan ^{[4
]}

Crandall, Keith A. ^{[4
,5
]}

机构：

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

[2] Univ Fed Rio Grande do Sul, Inst Biociencias, Dept Zool, BR-90501970 Porto Alegre, RS, Brazil

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

[4] Brigham Young Univ, Dept Biol, Provo, UT USA

[5] Brigham Young Univ, Monte L Bean Life Sci Museum, Provo, UT 84602 USA

来源：

JOURNAL OF CRUSTACEAN BIOLOGY | 2012年 / 32卷 / 04期

关键词：

Aeglidae; biodiversity; biogeography; ecoregions; molecular systematics; MOLECULAR SYSTEMATICS; BIOGEOGRAPHY; CONSERVATION; ECOREGIONS; AEGLIDAE; HISTORY; MODEL;

D O I：

10.1163/193724012X635935

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Surveys performed in streams from the sub-basins of the Canoas and Pelotas rivers, which jointly form the Uruguay River in southern Brazil, led to the discovering of three new species of Aeglidae: Aegla brevipahna, Aegla leachi, and A. oblata. Here we present their morphological descriptions coupled with phylogenetic analyses, to infer evolutionary relationships to other aeglids using DNA sequence data from the 16S rRNA and COII gene regions of the mitochondrial genome. The presence of these new species increases the importance of the Upper Uruguay ecoregion for biodiversity richness of freshwater fauna in the Neotropical South America.

引用

页码：529 / 540

页数：12

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