Plate 1 issued from : T. Park in Biology of the Antarctic Seas XI, Antarct. Res. Ser, 1982, 34. [p.124, Fig.30].
Male: a, habitus (lateral right side); b, last thoracic segment and urosome (lateral right side); c, Mx1; d, P1 (anterior); e, P2 (posterior); f, P5 (viewed from right side); g, P5 (viewed from left side); h, right P5; i, distal part of left P5.
Nota: All cephalosomal appendages similar to those of S. antarcticus except Mx1.In body size, this male is most closely related to S. medius, however, while female occured only in waters north of the antarctic convergence, this male was found only in antarctic waters.