Au sujet de la couverture : The identification of covariation in morphological character complexes (modularity) could help to increase our understanding of morphological transitions in a phylogenetic framework. Using state-of-the-art engineering techniques, Blanke et al. identify a number of mechanical interdependencies in a damselfly head and integrate that information in a phylogenetic analysis workflow. The results suggest dragonflies and mayflies as sistergroups - a relationship that has been debated in insect systematics for decades.
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