Published in Bollettino Malacologico, in 1986, in volume 22, issue 1-4, pages 37-48

Published in Bollettino Malacologico, in 1986, in volume 22, issue 1-4, pages 79-80

Published in Bollettino Malacologico, in 1986, in volume 22, issue 5-8, pages 113-138

Published in Bollettino Malacologico, in 1986, in volume 22, issue 5-8, pages 161-166

Published in Bollettino Malacologico, in 1986, in volume 22, issue 5-8, pages 167-168

Published in Bollettino Malacologico, in 1986, in volume 22, issue 5-8, pages 171-174

Published in Bollettino Malacologico, in 1986, in volume 22, issue 5-8, pages 175-176

Published in Bollettino Malacologico, in 1986, in volume 22, issue 5-8, pages 182-184

Published in Bollettino Malacologico, in 1986, in volume 22, issue 5-8, pages 188

Published in Bollettino Malacologico, in 1986, in volume 22, issue 9-12, pages 189-196

Published in Bollettino Malacologico, in 1986, in volume 22, issue 9-12, pages 197-214

Published in Bollettino Malacologico, in 1986, in volume 22, issue 9-12, pages 273-276

Published in Bollettino Malacologico, in 1986, in volume 22, pages 85-90

Published in Bollettino Malacologico, in 1986, in volume 22, pages 1-35

Published in Bollettino Malacologico, in 1986, in volume 22, pages 215-222

Published in Bollettino Malacologico, in 1986, in volume Supplemento 2, pages 299-576