Published in American Malacological Bulletin, in 1997, in volume 14, issue 1, pages 9-15

Published in American Malacological Bulletin, in 1997, in volume 14, issue 1, pages 17-25

Published in American Malacological Bulletin, in 1997, in volume 14, issue 1, pages 27-33

Published in American Malacological Bulletin, in 1997, in volume 14, issue 1, pages 35-40

Published in American Malacological Bulletin, in 1997, in volume 14, issue 1, pages 41-55

Published in American Malacological Bulletin, in 1997, in volume 14, issue 1, pages 67-74

Published in American Malacological Bulletin, in 1997, in volume 14, issue 1, pages 81-84