Estimating rates and patterns of morphological evolution from phylogenies: lessons in limb lability from Australian Lerista lizards
Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY 11794-5245, USA
Journal of Biology 2009, 8:19 doi:10.1186/jbiol112Published: 24 February 2009
Squamates (lizards and snakes) offer an exciting model system for research on the evolution of body form. A new phylogenetic study in BMC Evolutionary Biology of Australian lizards shows remarkable evolutionary lability in digit numbers among closely related species, but also highlights important challenges in this area.