Published in Malacologia, in 1983, in volume 23, pages 221-270

Published in Malacologia, in 1983, in volume 23, issue 2, pages 375-396

Published in Malacologia, in 1983, in volume 23, issue 2, pages 397-426

Published in Malacologia, in 1983, in volume 24, issue 1-2, pages 1-113