Low, M. E. Y., & Ng, P. K. L. (2011). On the identity of Collingwood’s Pill-Making Crab, Sphaerapoeia collingwoodii Collingwood, 1868 (Crustacea: Decapoda: Brachyura: Dotillidae). Zootaxa, 2761(1), 64–68. https://doi.org/10.11646/zootaxa.2761.1.5