1. Department of Anthropology, San Diego State University, San Diego, CA, USA
2. Department of Geological Sciences, San Diego State University, San Diego, CA, USA
3. Department of Anthropology, Natural History Museum of Los Angeles County, Los Angeles, CA, USA
4. Museum of Natural and Cultural History, University of Oregon, Eugene, OR, USA
5. Department of Earth and Ocean Sciences, University of North Carolina Wilmington, Wilmington, NC, USA