scrollText=Species Characteristics

With 17 antennal segments; dental margin of maxillipede coxosternite with 3-5 teeth; posterior margin of tergites 7, 9, 11 and 13 transverse, all tergites lacking projections; distal spinose projections on tibiae of legs 1-12. With 3 teeth on dental margin of maxillipede coxosternite.

Sub-Genus Characteristics

Tarsi of legs 1 - 12 unjointed. Median furrow on head shield extends behind transverse suture. Aciculae on mandible bipinnulate.