journal article

• Spatial skills in undergraduate students-Influence of gender, motivation, academic training, and childhood play.  Geosphere. 668-683. 2018
• THE GEOZOIC SUPEREON.  Palaios. 251-255. 2011
• The evolutionary consequences of oxygenic photosynthesis: a body size perspective..  Photosynthesis Research. 37-57. 2011
• Two-phase increase in the maximum size of life over 3.5 billion years reflects biological innovation and environmental opportunity.  Proceedings of the National Academy of Sciences of the United States of America. 24-27. 2009
• Detecting avian predation on bivalve assemblages using indirect methods.  Journal of Shellfish Research. 271-280. 2007
• A quantification of size bias in monographic images.  Palaios. 60-73. 2007
• Evaluation of the preservation potential of the yellow shore crab, Hemigrapsus oregenensis, in tidal flat environments.  Palaios. 400-410. 2005