Age abbreviations : M. Prot - Mesoproterozoic , D - Devonian , C - Carboniferous , P - Permian , K - Cretaceous .
Evolution of the Carboniferous - extension model , modified from Yin ( 2006 ) .
Age abbreviations : M. Prot - Mesoproterozoic , D - Devonian , Carboniferous     , P - Permian , K - Cretaceous .
Evolution of the Carboniferous - extension model , modified from Yin ( 2006 ) .