Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 1-8

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 9-17

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 19-37

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 39-43

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 45-48

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 49-54

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 57-68

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 69-78

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 79-114

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 115-130

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 131-139

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 141-151

Published in American Malacological Bulletin, in 1988, in volume 6, issue 1, pages 153-159

Published in American Malacological Bulletin, in 1988, in volume 6, issue 2, pages 165-178

Published in American Malacological Bulletin, in 1988, in volume 6, issue 2, pages 179-188

Published in American Malacological Bulletin, in 1988, in volume 6, issue 2, pages 189-197

Published in American Malacological Bulletin, in 1988, in volume 6, issue 2, pages 199-206

Published in American Malacological Bulletin, in 1988, in volume 6, issue 2, pages 207-211

Published in American Malacological Bulletin, in 1988, in volume 6, issue 2, pages 213-217

Published in American Malacological Bulletin, in 1988, in volume 6, issue 2, pages 219-305