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Title: | Skull size and shape variation versus molecular phylogeny: A case study of alpine newts (Mesotriton alpestris, Salamandridae) from the Balkan Peninsula | Authors: | Ivanović, Ana Sotiropoulos, Konstantinos Džukić, Georg Kalezić, Miloš |
Keywords: | Dorsal cranium;Geometric morphometrics;Phylogenetic signal;Skull morphology;Ventral cranium | Issue Date: | 30-Jan-2009 | Project: | 143052 | Journal: | Zoomorphology | Abstract: | We explored the phylogenetic signal of skull size and shape in alpine newts from the Balkans, a group of European newts that, in spite of their considerable phylogeographic substructuring (as inferred from previous DNA analyses), maintain a conserved phenotype. In terms of skull shape disparity, geometric morphometrics show that the dorsal cranium carries a significant phylogenetic signal, the most notable evidence in this present study. On the contrary, no phylogenetic signal in the shape of the ventral cranium was found. This result indicates that the variation in the shape of the ventral cranium is more prone to other factors and processes, such as adaptations to local environments rather than phylogenetic constraints. Variation in skull size within alpine newts seems to be independent from phylogenetic constraints. © 2009 Springer-Verlag. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/3211 | ISSN: | 0720-213X | DOI: | 10.1007/s00435-009-0085-9 |
Appears in Collections: | Journal Article |
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