Which Primates Are Not Sexually Dimorphic?

Which Primates Are Not Sexually Dimorphic? However, such sex differences are primarily limited to the anthropoid primates; most of the strepsirrhine primates (lemurs and lorises) and tarsiers are monomorphic. Are primates sexually dimorphic? Bigger primates are more sexually dimorphic than smaller species. One researcher suggested that as certain primate species became bigger during their evolutionary