speciation at the mogollon rim in the arizona mountain kingsnake (lampropeltis pyromelana). | studies of speciation and taxon delimitation are usually decoupled. combining these methods provides a stronger theoretical ground for recognizing new taxa and understanding processes of speciation. using coalescent methods, we examine speciation, post-speciation population demographics, and taxon delimitation in the arizona mountain kingsnake (lampropeltis pyromelana), a species restricted to high elevations in southwestern united states and northern mexico (sw). these methods provide a solid f ... | 2011 | 21627995 |