Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 115-130

Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 131-137

Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 139-145

Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 147-156

Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 157-166

Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 167-178

Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 179-193

Published in American Malacological Bulletin, in 2000, in volume 15, issue 2, pages 195-202