| Stations | Station1 | Station2 | Station3 | Moy. (F%) | Classe of constance | ||||||
| Malacological species | A% | F% | D | A% | F% | D | A% | F% | D | ||
| Milax nigricans | 1 | 10 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 3.33 | Very accidental |
| Archelix punctata | 0 | 0 | 0 | 1 | 10 | 0.2 | 0 | 0 | 0 | 3.33 | Very accidental |
| Euparypha pisana | 0.29 | 50 | 3.2 | 0.14 | 40 | 1.6 | 0.57 | 60 | 6.4 | 50 | Constant |
| Helicella virgata | 0.28 | 30 | 1 | 0.22 | 40 | 0.8 | 0.5 | 60 | 1.8 | 43.33 | Accessory |
| Helicella pyramidata | 1 | 10 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.33 | Very accidental |
| Helicella acompsia | 0.29 | 10 | 0.2 | 0 | 0 | 0 | 0.71 | 10 | 0.5 | 6.66 | Very accidental |
| Helicella terveri | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 20 | 0.3 | 6.66 | Very accidental |
| Helicella lauta | 0.5 | 10 | 0.1 | 0 | 0 | 0 | 0.5 | 10 | 0.1 | 6.66 | Very accidental |
| Rumina decollata | 0.35 | 70 | 2.1 | 0.42 | 70 | 2.5 | 0.23 | 60 | 1.4 | 66.66 | Constant |