First genetic data for species of the genus Haploniscus Richardson, 1908 (Isopoda: Asellota: Haploniscidae) from neighbouring deep-sea basins in the South Atlantic

被引:0
作者
Brix, Saskia [1 ]
Riehl, Torben [2 ]
Leese, Florian [3 ]
机构
[1] German Ctr Marine Biodivers Res DZMB, Bioctr Grindel, D-20146 Hamburg, Germany
[2] Univ Hamburg, Bioctr Grindel, Zool Museum, D-20146 Hamburg, Germany
[3] Ruhr Univ Bochum, Dept Anim Ecol Evolut & Biodivers, D-44801 Bochum, Germany
关键词
Isopoda; Haploniscidae; deep sea; CO1; DNA barcoding; DIVERSITY; CRUSTACEANS; OCEAN; DNA;
D O I
暂无
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The phylogenetic analysis in this study, based on a fragment of the CO1 mtDNA gene, provides first evidence in favour of Brokeland's (2010) conclusion of recent or ongoing gene flow in Haploniscus rostratus (Menzies, 1962) across the Walvis ridge. It adds the first evidence for the presence of either restricted gene flow or potential cryptic species in the Guinea Basin. The data suggest furthermore that distinct species within the H. unicornis complex occur sympatrically in the East Atlantic deep-sea basin north of the Walvis Ridge. However, without more specimens (males in particular) and more markers, other processes that may have generated this pattern cannot be excluded.
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页码:79 / 84
页数:6
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