N.B. (Frequency: - RR =
very Rare (from 1 to 2), - R = rare (from 3 to 9), - PC = not common (from 10 to 29), - C =
common (from 30 to 99), - CC = Very Common (out of 100)
- At june,25 2003 on 284 taxa
selected there are: 257 classis, 236 ordo, 221 familia, 177 genus, 84
species
- At june, 11 2004 on 340 taxa
selected there are: 327 classis, 294 ordo, 316 familia, 274 genus, 109
species. Up to 296 shells photografed with 1035 photos.