TY - GEN AU - Kobayashi,Shuji TI - Phylogenetic study of Titi monkeys, genus Callicebus, based on cranial measurements: 1. Phyletic groups of Callicebus KW - Primates KW - Análisis multivariables KW - Filogenética KW - Río Orinoco, Río Amazonas, Río Paraguay KW - Brasil ER -