And the Taxonomy of the Yellow-Tailed Woolly Monkey, Lagothrix flavicauda
AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 137:245–255 (2008) Taxon Combinations, Parsimony Analysis (PAUP*), and the Taxonomy of the Yellow-Tailed Woolly Monkey, Lagothrix flavicauda Luke J. Matthews1* and Alfred L. Rosenberger2,3 1Department of Anthropology, New York University, New York Consortium in Evolutionary Primatology (NYCEP), New York, NY 10003 2Department of Anthropology and Archaeology, The Graduate Center, Brooklyn College, The City University of New York, Brooklyn, NY 11210 3Department of Mammalogy, The American Museum of Natural History, New York Consortium in Evolutionary Primatology (NYCEP), New York, NY 10024 KEY WORDS cladistics; taxonomy; taxon combinations; PAUP; parsimony; tree inference; New World monkeys; ateline systematics ABSTRACT The classifications of primates, in gen- results indicate that alternative selections of species sub- eral, and platyrrhine primates, in particular, have been sets from within genera produce various tree topologies. greatly revised subsequent to the rationale for taxonomic These results stand even after adjusting the character decisions shifting from one rooted in the biological spe- set and considering the potential role of interobserver cies concept to one rooted solely in phylogenetic affilia- disagreement. We conclude that specific taxon combina- tions. Given the phylogenetic justification provided for tions, in this case, generic or species pairings, of the pri- revised taxonomies, the scientific validity of taxonomic mary study group has a biasing effect in parsimony distinctions can be rightly judged by the robusticity of analysis, and that the cladistic rationale for resurrecting the phylogenetic results supporting them. In this study, the Oreonax generic distinction for the yellow-tailed we empirically investigated taxonomic-sampling effects woolly monkey (Lagothrix flavicauda) is based on an ar- on a cladogram previously inferred from craniodental tifact of idiosyncratic sampling within the study group data for the woolly monkeys (Lagothrix).
[Show full text]