This species has not been recorded in the South Atlantic; it has been included here because it is easily confused with Heterorhabdus papilliger.
Females: In lateral view, Gns ventral margin with distinct step posteriorly; P5 terminal spine <1/2 length of Exp3 except in some large specimens (2.5 mm). More characters can be accessed by backtracking the key:
Males: Right P5 Exp2 lamella with distal serrated ridge situated centrally and parallel to axis of lamella so that rounded lobe situated on each side of ridge terminally. More characters can be accessed by backtracking the key: