TAXONOMIC STATUS OF THE MADREAN ALLIGATOR LIZARD(LACERTILIA: ANGUIDAE) OF THE SIERRA DEL NIDO,CHIHUAHUA, MEXICO

摘要

New evidence is presented that suggests that the single specimen of Elgaria usafa from the Sierra del Nido in Chihuahua is an aberrantly patterned E. kingii. We suggest that E. usafa be considered a junior synonym of E. kingii.