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ZooKeys 20: 215-231
doi:
10.3897/zookeys.20.126
Published:
14 Sep 2009
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Authors
John Heraty 
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University of California, Riverside, Riverside, United States of America
University of California, Davis,
CRILAR-CONICET, La Rioja, Argentina
Conflict of interest
The authors have declared that no competing interests exist.
Supporting agencies
National Science Foundation, CONICET
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.