Females: Gns without setae; posterior corners of Pr with 2 points on each side. More characters can be accessed by backtracking the key:
Males: Posterior corners of Pr with pair of points on each side. More characters can be accessed by backtracking the key:
Remark: The illustration given here for this species is of C. furcatus (Dana, 1849) which is very similar to C. velificatus that needs to be redescribed. Ref: Oliviera, Le jeune P.H. de. 1947. Distribuição geografica da fauna e flora da Baía de Guanabara. Mems Inst. Oswaldo Cruz 45(3): 709-734, figs 1-5, pl. 1.