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Showing 1–2 of 2 results
Advanced filters: Author: Joni Ollonen Clear advanced filters

  • A geometric morphometric analysis of the developing skulls of 44 squamate species shows that the diversity of skull shapes arises from changes in spatial arrangements followed by alterations in developmental timings, and that phenotypic integration with surrounding head tissues is greater in snakes than in lizards.

    • Joni Ollonen
    • Eraqi R. Khannoon
    • Nicolas Di-Poï
    Research
    Nature Ecology & Evolution
    Volume: 8, P: 536-551

  • Three alternatives have been proposed for the ecological state of the ancestral snake: fossorial (burrowing), aquatic, or terrestrial. Here, the authors use an integrative geometric morphometric approach that suggests evolution from terrestrial to fossorial in the most recent common ancestor of extant snakes.

    • Filipe O. Da Silva
    • Anne-Claire Fabre
    • Nicolas Di-Poï
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-11