| taxonomic revision of drymoluber amaral, 1930 (serpentes: colubridae). | the present study is a taxonomic revision of the genus drymoluber amaral, 1930, using meristic and morphometric characters, aspects of external hemipenial morphology and body coloration. sexual dimorphism occurs in d. dichrous and d. brazili but was not detected in d. apurimacensis. morphological variation within d. dichrous is related to geographic distance between populations. furthermore, variation in the number of ventrals and subcaudals in d. dichrous and d. brazili follows latitudinal and ... | 2013 | 26106780 |