Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 25-38

Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 39-49

Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 51-53

Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 55-60

Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 71-81

Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 83-91

Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 93-101

Published in American Malacological Bulletin, in 1993, in volume 10, issue 1, pages 103-108

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 113-119

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 121-127

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 129-138

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 139-152

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 153-159

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 161-164

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 165-177

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 181-194

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 195-249

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 251-255

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 257-266

Published in American Malacological Bulletin, in 1993, in volume 10, issue 2, pages 267-290