Published in Malacologia, in 1991, in volume 32, issue 2, pages 257-271

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

Published in Malacologia, in 1991, in volume 32, issue 2, pages 301-311

Created: 2012-03-11, modified: 2016-09-17

Published in Malacologia, in 1991, in volume 33, pages 71-178

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

Published in Malacologia, in 1991, in volume 33, issue 1-2, pages 289-338

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