<div class="tree_txt_unlinked"><p>Atelidae
includes the Howler, spider and woolly monkeys - the largest bodied
platyrrhines. Some taxonomic classifications consider Alouattinae as a
sister group of Atelidae, but genetic studies suggest including howler
monkeys with other atelines.</p>
<p><strong>Citations</strong>: Fleagle 1999, and Wildman et al 2009</p>
</div>