Rostrum with an accessory carina on the blade

Telson armed with 3 pairs of movable spines

Last abdominal segment colour band not reaching the ventral margin (discontinuos)

Petasma with long distomedian projections distinctly overhanging distal margin of costae, tip enlarged

Ventral costae slightly broadened apically and unarmed

Outer surface of lateral lobes not tuberculate

Thelycum without lateral plates but with a pouch widely open anteriorly; Anterior and posterior processes forming a triangular, concave plate