R.P.A. Voskuil & Onverwagt, W. J. H. Studies on Cardiidae. 3. The recent species of Maoricardium Marwick, 1944, with description of a new species. Basteria 55, 25-33 (1991).

R.P.A. Voskuil & Onverwagt, W. J. H. Studies on Cardiidae. 5. The taxa introduced by E. Fischer-Piette in 1977 in his ?Révision des Cardiidae?. Basteria 55, 115-122 (1991).

R.P.A. Voskuil & Onverwagt, W. J. H. Studies on Cardiidae. 2. An Acanthocardia hybrid from southern Portugal (Bivalvia). Basteria 54, (1990).