Published in Bollettino Malacologico, in 1994, in volume 29, issue 9-12, pages 227-232

Created: 2016-06-27, modified: 2016-06-27

Published in Bollettino Malacologico, in 2006, in volume 42, issue 5-8, pages 85-91

Created: 2016-06-27, modified: 2016-06-27

Published in Bollettino malacologico, in 2003, in volume 39, pages 203-206

Created: 2016-08-01, modified: 2016-08-01

Published in Biol Bull, in 1959, in volume 117, pages 100-118

Created: 2010-01-06, modified: 2011-06-21

Published in Bollettino Malacologico, in 1994, in volume 30, issue 1-4, pages 29-32

Created: 2016-06-27, modified: 2016-06-27