%0 Journal Article %T Morphology and geographical distribution of the poorly known snake Umbrivaga pygmaea (Serpentes: Dipsadidae) in Brazil %A Ricardo Alexandre Kawashita-Ribeiro %A Vin¨ªcius Tadeu de Carvalho %A Ana Caroline de Lima %A Robson Waldemar ¨¢vila %J Phyllomedusa : Journal of Herpetology %D 2011 %I University of S?o Paulo %X We studied the morphology and geographical distribution of the poorly known snake Umbrivaga pygmaea (Serpentes: Dipsadidae) in Brazil %K Amazonia %K hemipenis %K snakes %U http://www.phyllomedusa.esalq.usp.br/articles/volume10/number2/102177182.pdf