Published in Bollettino malacologico, in 2001, in volume 37, pages 55-76

Published in Bollettino malacologico, in 2001, in volume 37, pages 77-80

Published in Bollettino malacologico, in 2001, in volume 37, pages 81-98

Published in Bollettino malacologico, in 2001, in volume 37, pages 99-104

Published in Bollettino malacologico, in 2001, in volume 37, pages 105-120

Published in Bollettino malacologico, in 2001, in volume 37, pages 121-142

Published in Bollettino malacologico, in 2001, in volume 37, pages 143-150

Published in Bollettino malacologico, in 2001, in volume 37, pages 151-162

Published in Bollettino malacologico, in 2001, in volume 37, pages 163-170

Published in Bollettino malacologico, in 2001, in volume 37, pages 171-176

Published in Bollettino malacologico, in 2001, in volume 37, pages 177-180

Published in Bollettino malacologico, in 2001, in volume 37, pages 181-186

Published in Bollettino malacologico, in 2001, in volume 37, pages 187-206

Published in Bollettino malacologico, in 2001, in volume 37, pages 207-222

Published in Bollettino malacologico, in 2001, in volume 37, pages 223-224

Published in Bollettino malacologico, in 2001, in volume 37, pages 225-228

Published in Bollettino malacologico, in 2001, in volume 37, pages 229-230

Published in Bollettino malacologico, in 2001, in volume 37, pages 231-234