Table 1 Main shell characteristics of different populations of Leptinaria unilamellata
Location | Columella | Shell aperture | Lamella | Body whorl | Whorls height | Spire | Sutures |
|---|---|---|---|---|---|---|---|
Juiz de Fora | Square | Round | Presented or not, low | Wide and round | Decreases gradually | Prominent or low | First two sutures are deep |
Cruzília | Triangular | Wide and round, dislocated | Prominent and well developed | Wide and round | Penultimate whorl possesses a larger height | Low | Quite deep |
Floriano | Triangular | Wide and oval | Shallow | Round and uniform | Penultimate and last whorls have larger height | Prominent | Smooth (except for the first) |
Barra Mansa | Triangular | Narrow and oval | Smooth | Round, little globular | Decreases gradually | Prominent | Smooth |