B. Guilherme, P. D., M. C. Brustolin, and M. de L. Bueno. “Distribution Patterns of Ectosymbiont Crabs and Their Sand Dollar Hosts in a Subtropical Estuarine Sandflat”. Revista De Biología Tropical, vol. 63, no. S2, June 2015, pp. 209–220, doi:10.15517/rbt.v63i2.23155.