Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/3212
Title: Cranial shape variation and molecular phylogenetic structure of crested newts (Triturus cristatus superspecies: Caudata, Salamandridae) in the Balkans
Authors: Ivanović, Ana 
Sotiropoulos, Konstantinos
Vukov, Tanja
Eleftherakos, Karolos
Džukić, Georg
Maria Polymeni, Rosa
Kalezić, Miloš
Keywords: Allometry;Geometric morphometrics;Phylogeny;Skull
Issue Date: 1-Oct-2008
Project: 143052
70/4/3299
Journal: Biological Journal of the Linnean Society
Abstract: 
In the present study, we investigated the degree of congruence between phylogeny, as inferred from mitochondrial (mt)DNA sequences, and cranium shape variation of crested newts (Triturus cristatus superspecies) in the Balkans. These newts belong to four phylogenetic clades defined by mtDNA analysis, and significantly differed in cranial shape. Allometry explained a high percentage of shape variation in crested newts. The clade-specific allometric slopes significantly diverged for both the ventral cranium and dorsal cranium, indicating that differences in shape between clades could not be a simple consequence of their difference in size. The analysis of hierarchical and spatial variation showed similarity in the patterns of global and spatially localized hierarchical variation of cranial shape. We also found significant congruence between the pattern of cranial shape variation and molecular phylogeny. The differences in morphology of Triturus dobrogicus in comparison to other crested newt clades, including marked differences in cranium shape, is discussed in the context of the evolution and ecology of crested newts. © 2008 The Linnean Society of London.
URI: https://biore.bio.bg.ac.rs/handle/123456789/3212
ISSN: 0024-4066
DOI: 10.1111/j.1095-8312.2008.01045.x
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