Oswaldella shetlandica Stepanjants, 1979

(Fig. 3A–C)

Oswaldella shetlandica — Peña Cantero, García Carrascosa & Vervoort, 1995: 342, fig. 1.

Material examined. Stn. ARD — 14.ii.2010, Ant.05/2010 (25 m): a bunch of sterile stems, ca. 15 cm high; Ant.33/2011 (25 m): a profuse colony with stems up to 19 cm high, some bearing male gonothecae (MHNG-INVE- 79795). Stn. RAS — 24.i.2011, Ant.25/2011 (30 m): a single, badly preserved, sterile stem, ca. 4 cm high; Ant.28/ 2011 (30 m): a single, sterile cormoid, ca. 6.5 cm high; 02.ii.2011, Ant.26/2011 (40 m): fragmentary colony, coming as three broken parts totaling ca. 6 cm high; 11.ii.2010, Ant.01/2010 (30 m): colony composed of a bunch of stems, up to 12 cm high, with numerous male gonothecae (MHNG-INVE-79794).

Remarks. For a description of this species and synonymy, see Peña Cantero, García Carrascosa & Vervoort (1995).

Geographical distribution. Possibly endemic to West Antarctica (Peña Cantero & Vervoort 2004).