| Morphological Correlates of the Grooming Claw in Distal Phalanges of Platyrrhines and Other Primates: A Preliminary Study. | |
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MedLine Citation:
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PMID: 22042603 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Grooming claws are present on the second pedal digits of strepsirhines and on the second and third pedal digits of tarsiers. However, their presence in New World monkeys is often overlooked. As such, the absence of a grooming claw is generally considered an anthropoid synapomorphy. This study utilizes a quantitative multivariate analysis to define grooming claw morphology and document its presence in platyrrhine monkeys. Our results show that owl monkeys possess grooming claws similar to those of strepsirhines, while titi monkeys possess grooming claw-like morphology. Therefore, we conclude that anthropoids are not clearly united by the absence of a grooming claw. Furthermore, due to their presence in three major primate clades, we infer that it is likely that a grooming claw was present on the second pedal digit of the ancestor of living primates. Therefore, we advise the reassessment of fossil adapids in light of the anatomical correlates described here. This should increase resolution on the homology and polarity of grooming claw morphology, and, therefore, will help provide a sharper picture of primate evolution. Anat Rec, , 2011. © 2011 Wiley Periodicals, Inc. |
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Authors:
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Stephanie Maiolino; Doug M Boyer; Alfred Rosenberger |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-1 |
Journal Detail:
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Title: Anatomical record (Hoboken, N.J. : 2007) Volume: - ISSN: 1932-8494 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101292775 Medline TA: Anat Rec (Hoboken) Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Wiley Periodicals, Inc. |
Affiliation:
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Interdepartmental Doctoral Program in Anthropological Sciences, Stony Brook University, Stony Brook, New York. smaiolin@ic.sunysb.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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