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Document Type: Short Communication
Affiliations: 1: Department of Geosciences, Pennsylvania State University, University Park, Pennsylvania 16802, U.S.A. 2: Visiting Scientist, Geological Survey of Canada, 3303–33rd St. NW, Calgary, Alberta, Canada T2L 2A7 3: U.S. Geological Survey, Box 25046, M. S. 939, Denver, Colorado 80225, U.S.A.
Publication date: August 1, 2004
Impact Factor (2012): 2.78
Taxon electronic back issues (1950-2001) have been released in 2005
Submission of manuscripts: www.editorialmanager.com/taxon