Assertion: howler monkey's group | /r/HasProperty | the callitrichidae
Facets:
Source sentences:
text: They are divided into two groups: The Callitrichidae, which include the smaller tamarins and marmosets, and the Cebide Monkeys, which include a wider variety of monkeys including the capuchin, owl, titi, saki, spider, wooly, and many others.