Oswaldella niobae Peña Cantero & Ramil, 2006: 953 –955, figs 4, 5.
Ecology. Deep-water species, found at depths between 699 and 922 m (Peña Cantero & Ramil 2006). Gonothecae: January (Peña Cantero & Ramil 2006).
Distribution. West Antarctic (Peña Cantero & Ramil 2006), known only from Bransfield Strait, off Livingston Island.