Oswaldella crassa Peña Cantero & Vervoort, 1998: 33 –35, fig. 1; 2004: 822; Peña Cantero & García Carrascosa, 1998: 178; 1999: 214; Peña Cantero & Marques, 1999: 85.
Ecology. Deep-water species, found at depths between 662 and 1120 m (Peña Cantero & Vervoort 1998). Distribution. Hitherto known only from the Bransfield Strait area (Peña Cantero & Vervoort 1998).