Marine decapod crustacean. Crab with carapace rough to granulose with regions discernible. Front with 3 acutely triangular teeth with the central projected slightly forwards of the lateral ones; 9 teeth on each anterolateral margin, the most external one much larger than the preceding. Chelipeds elongate: larger chelae with conical tooth at the base of fingers; 4 spines on the inner margin of the merus. Carapace colour dull green to brown. Maximum carapace width 15 cm.