Table 5.
Distribution of the clausilium character states within the Siciliaria/Sicania taxa. n = number of specimens analysed.
| Taxon | n | Boettger’s groups: Gruppe der septemplicata / Gruppe der crassicostata | Clausiliar plate distally receding/not receding | Clausiliar plate gutter-like/not gutter like | Clausiliar plate bent upwards/not bent upwards |
|---|---|---|---|---|---|
| Siciliariagrohmannianagrohmanniana (Rossmässler, 1836) | 22 | septemplicata | receding | gutter-like | bent |
| Siciliariagrohmannianaaddaurae ssp. nov. | 18 | septemplicata | receding | gutter-like | bent |
| Siciliariaseptemplicata (Philippi, 1836) | 15 | septemplicata | receding | gutter-like | bent |
| Siciliarialeucophryna (L. Pfeiffer, 1862) | 20 | septemplicata | not receding | not gutter-like | not bent |
| Siciliariacalcaraecalcarae (Philippi 1844) | 36 | septemplicata | not receding | not gutter-like | bent |
| Siciliariacalcaraebelliemii (Brandt, 1961) | 25 | septemplicata | not receding | not gutter-like | bent |
| Siciliariacalcaraeborgettensis ssp. nov. | 12 | septemplicata | not receding | not gutter-like | bent |
| Siciliariacalcaraejatinensis ssp. nov. | 21 | septemplicata | not receding | not gutter-like | bent |
| Siciliariacalcaraeparajatinensis ssp. nov. | 15 | septemplicata | not receding | not gutter-like | bent |
| Siciliariacalcaraeorlandoi Liberto, Reitano, Giglio, Colomba & Sparacio, 2016 | 9 | septemplicata | partially receding | gutter-like | bent |
| Siciliariacalcaraecruenta ssp. nov. | 7 | septemplicata | not receding | not gutter-like | bent |
| Siciliariaferrox (Brandt, 1961) | 11 | septemplicata | partially receding | partially gutter-like | not bent |
| Siciliariatiberiitiberii (A. Schmidt, 1868) | 31 | septemplicata | not receding | not gutter-like | bent |
| Siciliariatiberiiarmettensis ssp. nov. | 33 | septemplicata | not receding | not gutter-like | bent |
| Siciliariatiberiihemmeni (Beckmann, 2004), comb. nov. | 6 | septemplicata | not receding | not gutter-like | not bent |
| Siciliariatiberiiscalettensis Beckmann, 2004 | 27 | septemplicata | not receding | not gutter-like | not bent |
| Sicaniacrassicostata (L. Pfeiffer, 1856), comb. nov. | 19 | crassicostata | not receding | not gutter-like | not bent |
| Sicaniaeminens (A. Schmidt, 1868), comb. nov. | 29 | crassicostata | not receding | not gutter-like | not bent |
| Sicanianobilisnobilis (L. Pfeiffer, 1848), comb. nov. | 35 | crassicostata | not receding | not gutter-like | not bent |
| Sicanianobilisspezialensis (Nordsieck, 1984), comb. nov., stat. nov. | 21 | crassicostata | not receding | not gutter-like | not bent |