Acabaria planoregularis Kükenthal, 1909 accepted as Melithaea planoregularis (Kükenthal, 1909) (original description)
Acabaria ramulosa Kükenthal, 1909 accepted as Melithaea ramulosa (Kükenthal, 1909) (original description)
Acabaria squarrosa Kükenthal, 1909 accepted as Melithaea squarrosa (Kükenthal, 1909) (original description)
Caligorgia antarctica Kükenthal, 1909 accepted as Fannyella (Fannyella) rossii Gray, 1872 (original description)
Callozostron carlottae Kükenthal, 1909 (original description)
Callozostron horridum Kükenthal, 1909 accepted as Callozostron mirabile Wright, 1885 (original description)
Mopsella spinosa Kükenthal, 1909 accepted as Melithaea spinosa (Kükenthal, 1909) (original description)
Primnoella delicatissima Kükenthal, 1909 (original description)
Primnoella vanhoeffeni Kükenthal, 1909 accepted as Convexella magelhaenica (Studer, 1879) (original description)
Xenia depressa Kükenthal, 1909 (original description)
Xenia multispiculata Kükenthal, 1909 (original description)