O. S. Tattersall, 1955
Anterior margin of rostrum almost straight and turned upward; lateral margins also bent upward.
Antennal scale small, slender, arcuate, slightly longer than antennal peduncle.
Telson 1.5 times as long as broad; apex with inner spines twice as long as outer.
Ref.: O. S. Tattersall (1955).