Ng, P. K. L. and Lai, J. C. Y. (2012) “Calappa karenae, a new species of box crab from Guam (Crustacea: Decapoda: Brachyura: Calappidae)”, Zootaxa. Auckland, New Zealand, 3393(1), pp. 57–65. doi: 10.11646/zootaxa.3393.1.5.