Martin, JW, et al. “Morphological Description of the First Zoeal Stage of the Tropical Xanthid Crab Punopeus Purpureus Lockington, 1877 (Crustacea, Decapoda, Brachyura, Xanthidae)”. Ciencias Marinas, vol. 24, no. 2, Mar. 1998, pp. 225-32, doi:10.7773/cm.v24i2.743.