Published in Occasional papers on mollusks, in 1999, in volume 6, issue 77, pages 1-66

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 77, pages 66

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 78, pages 67-81

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 78, pages 81-88

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 78, pages 89-91

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 78, pages 92-95

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 78, pages 96-105

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 78, pages 106-108