Template:Regier & Shultz, 2009
- Shultz, J.W. & Regier, J.C. 2009. Caddo agilis and C. pepperella (Opiliones, Caddidae) diverged phylogenetically before acquiring their disjunct, sympatric distributions in Japan and North America. The Journal of Arachnology 37(2): 238–240. BHL DOI: 10.1636/H08-66.1