Published in Malacologia, in 1981, in volume 20, pages 291-305

Created: 2012-03-11, modified: 2012-03-11

Published in Malacologia, in 1981, in volume 20, issue 2, pages 385-402

Created: 2018-08-09, modified: 2018-08-09

Published in Malacologia, in 1981, in volume 21, pages 291-336

Created: 2012-03-11, modified: 2012-03-11

Published in Malacologia, in 1981, in volume 21, issue 1-2, pages 61-93

Created: 2018-08-09, modified: 2018-08-09

Published in Malacologia, in 1981, in volume 21, issue 1-2, pages 209-262

Created: 2011-04-30, modified: 2011-10-03

Published in Malacologia, in 1981, in volume 21, issue 1-2, pages 263-289

Created: 2018-08-09, modified: 2018-08-09