singularis (Parent, 1934a): 259 (pl. 67: figs. 6–9) ( Sympycnus); Robinson (1970). Type locality: Colombia, Gorgona Is. ST 3 (BMNH). Distr.: Colombia (Gorgona Is.). Refs.: Robinson, 1970: 38 (cat.); Yang et al., 2006: 448 (cat.).