In Guatemala the Arboreal Alligator Lizards of the genus Abronia have diversified into 10 species, eight of them endemic. These national endemics are A. anzuetoi, A. aurita, A. campbelli, A. fimbriata, A. frosti, A. gaiophantasma, A. meledona, and A. vasconselosi. Two other species are shared with southern Mexico, A. matudai and A. ochoterani With few exceptions, the species of Abronia are known from a limited number of specimens, often from only the type or a few specimens from the immediate vicinity of the type locality.