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30.09.2008, 16:53 | #1 |
Welsfan
Registriert seit: 20.12.2004
Ort: 99427 Weimar
Beiträge: 3.673
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Taxonomy of Ixinandria Isbrücker & Nijssen (Loricariidae: Loricariinae) based on morphological and molecular data
Taxonomy of Ixinandria Isbrücker & Nijssen (Loricariidae: Loricariinae) based on morphological and molecular data
Mónica S. Rodriguez, Christian A. Cramer, Sandro L. Bonatto and Roberto E. Reis The genus Ixinandria was described in 1979 to include I. steinbachi from the upper rÃ*o Juramento in northern Argentina and I. montebelloi from the upper rÃ*o Bermejo in southern Bolivia. We used a multivariate morphometric analysis (Principal Components Analysis) and a molecular comparison of the Cytochrome Oxidase I gene to investigate variation among distinct populations from the known distribution range of both species. We onclude that the populations are not significantly distinct and do not deserve separate species recognition, and we place I. montebelloi in the synonymy of I. steinbachi. Quelle: Neotropical Ichthyology, 6(3):367-378, 2008Viele Grüße Elko PS: Ich verweise mal ausnahmsweise auf die Autorenliste: Christian Cramer bei uns L172 Geändert von L-ko (30.09.2008 um 17:02 Uhr). |
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