Muriquis | Genus Brachyteles

B. arachnoides | Southern Muriqui

B. hypoxanthus | Northern Muriqui

Illustration references

 

B. arachnoides

 

B. hypoxanthus

 

 

 

Unknown. Accessed via here

 

Public domain. Accessed via the Nash Collection of Primates in Art and Illustration. Local Identifier: PCLArts.PCLA3058.bib