Oswaldella erratum Pena Cantero & Vervoort 1997

Oswaldella erratum Peña Cantero & Vervoort, 1997

Oswaldella erratum Peña Cantero & Vervoort, 1997: 273 –276; 1998: 36; 2004: 827–830, figs 6, 7; Peña Cantero & García

Carrascosa, 1999: 214; Peña Cantero & Marques, 1999: 85; Peña Cantero & Gili, 2006: 767; Peña Cantero, 2008: 457. Oswaldella billardi — Broch, 1948: 13–16, fig. 4b; Peña Cantero et al., 1997: 349–353, figs 2, 13b. Oswaldella billardi shetlandica p.p. Stepanjants, 1979: 114, pl. 21 fig. 3b, c (only a part belongs to Oswaldella shetlandica

Stepanjants, 1979).

Oswaldella billardi p.p. Blanco, 1984: 45 –46, pl. 42 figs 96, 97 (partly Oswaldella shetlandica Stepanjants, 1979). Polyplumaria antarctica — Billard, 1914: 28 –31, fig. 17.

Ecology. Shelf and slope species found at depths between 55 (Peña Cantero & Vervoort 2004) and 696 m (Peña Cantero et al. 1997) on different bottoms [mud and sand (Broch 1948), mud and pebbles (Billard 1914), rocks and stones (Peña Cantero et al. 1997)]. Epilithic on gravel (Peña Cantero & Vervoort 2004). Gonothecae: January (Peña Cantero & Vervoort 2004; Peña Cantero 2008), February (Peña Cantero & Vervoort 2004), March (Peña Cantero et al. 1997; Peña Cantero & Vervoort 2004) and November (Billard 1914).

Distribution. West Antarctic (Peña Cantero & Vervoort 2004), found in Roosen Channel, Antarctic Peninsula (Billard 1914), Palmer Archipelago and Biscoe Islands (Peña Cantero & Vervoort 2004), off Trinity Island, Antarctic Peninsula (Peña Cantero 2008), off Petermann Island (Blanco 1984), the South Orkney Islands (Stepanjants 1979), the South Sandwich Islands (Peña Cantero & Vervoort 2004), the Weddell Sea (Peña Cantero et al. 1997; present material), off Bouvet (Broch 1948; Peña Cantero & Gili 2006) and off Peter I Island (Broch 1948).