Published in Occasional papers on mollusks, in 1997, in volume 5, issue 70, pages 337-370

Published in Occasional papers on mollusks, in 1997, in volume 5, issue 71, pages 371-378

Published in Occasional papers on mollusks, in 1997, in volume 5, issue 72, pages 379-392

Published in Occasional papers on mollusks, in 1997, in volume 5, issue 73, pages 393-407

Published in Occasional papers on mollusks, in 1997, in volume 5, issue 74, pages 409-417

Published in Occasional Papers on Mollusks, in 1997, in volume 5, issue 75, pages 419-425