<div class="tree_txt_unlinked"><p>Pitheciidae
is a recent taxonomic distinction that includes the subfamilies
Callicebinea and Pitheciinae. Callicebinae have long been considered
some of the most primitive platyrrhines, and new molecular data reveals
that they and pitheciines are more closely related to each other than
any other group.</p>
<p><strong>Citations</strong>: Fleagle 1999, and Wildman et al 2009</p>
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