O. S. Tattersall, 1955
Eyeplate without serration on antero-lateral corners.
Antennal scale ovate; apical lobe occupying more than half of scale length.
Telson triangular, as long as broad; lateral margin with 2-3 very small spines; apex narrowly rounded, with a pair of long spines.
Ref.: O. S. Tattersall (1955)