Published in Malacologia, in 1977, in volume 16, pages 303-309

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

Published in Malacologia, in 1977, in volume 16, issue 1, pages 295-301

Created: 2018-01-09, modified: 2018-01-09

Published in Malacologia, in 1977, in volume 16, issue 2, pages 353-420

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