Schizotricha antarctica p.p. Jäderholm, 1904: 12; 1905: 35, pl. 14 figs 6–8.
Not Schizotricha antarctica — Vanhöffen, 1910: 336, fig. 48 (= Oswaldella rigida Peña Cantero, Svoboda & Vervoort, 1997).
Oswaldella antarctica — Stechow, 1919: 853; 1920: 40 (32); Peña Cantero & Vervoort, 1995: 330–333, fig. 1; 1998: 36; 2004: 812–816; Peña Cantero et al., 1997: 344; Peña Cantero & García Carrascosa, 1998: 178; 1999: 214; Peña Cantero & Marques, 1999: 85.
? Polyplumaria antarctica — Jäderholm, 1926: 6.
Not Polyplumaria antarctica — Billard, 1914: 28 –31, fig. 17 (= Oswaldella erratum Peña Cantero & Vervoort, 1997).
Not Oswaldella antarctica — Totton, 1930: 209–210, fig. 51 (= Oswaldella terranovae Peña Cantero & Vervoort, 1996); Blanco, 1984: 41, pl. 38 figs 86–88 (= Oswaldella blanconae El Beshbeeshy, 1991); Broch, 1948: 13–16, fig. 4 a; Stepanjants, 1979: 112, pl. 21 fig. 5 a, b (= Oswaldella stepanjantsae El Beshbeeshy, 1991); Naumov & Stepanjants, 1972: 52, fig. 14 a, b (= partly Oswaldella stepanjantsae El Beshbeeshy, 1991, partly another species of Oswaldella); Peña Cantero, 1991: 168, pls 31, 56, pl. 68 fig. a; Peña Cantero & García Carrascosa, 1994: 125–126, fig. 8 a–c; 1995: 96–101, figs 43 A–E, 44 A–F, 64 E (= Oswaldella incognita Peña Cantero, Svoboda & Vervoort, 1997)
Ecology and distribution. Known only from off Seymour Island (Graham Land); collected at 150 m depth (Jäderholm 1904; Peña Cantero & Vervoort 1995).