The dilemma of trade samples and the importance of museum vouchers--caveats from a study on the extinction of Steller's sea cow: a comment on Crerar et al. (2014)
Biol Lett. 2016 Feb;12(2):20150149.
doi: 10.1098/rsbl.2015.0149.
1 Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, PO Box 37012, Washington, DC 20013-7013, USA pyensonn@si.edu.
2 John D. Cooper Archaeology and Paleontology Center, Department of Geological Sciences, California State University, Fullerton, CA 92834, USA.
3 John D. Cooper Archaeology and Paleontology Center, Department of Geological Sciences, California State University, Fullerton, CA 92834, USA Department of Mammalogy, Natural History Museum of Los Angeles County, Los Angeles, CA 90007, USA.