Related articles by
Research Article
Other versions:
- Article InfoArticle Info
- CiteCite
- MetricsMetrics
- CommentComment
- RelatedRelated
- CitedCited
- NanopubsNanopubs
ZooKeys 26: 53-76
doi:
10.3897/zookeys.26.258
Published:
30 Oct 2009
This article is part of:
Authors

Fred Kraus
- Corresponding author
University of Michigan, Ann Arbor, United States of America
Conflict of interest
The authors have declared that no competing interests exist.
Supporting agencies
National Science Foundation
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.
Subscribe to email alerts for current Article's categories