Elongate, bottom third variably swollen, faint narrowing towards the middle, cylindrical to slightly infundibular in the upper half, the peristome being the widest part
Entirely infundibular, the peristome being the widest part, no narrowing in the middle
Infundibular bottom third, cylindrical or slightly infundibular upper part, the peristome being the widest part, no narrowing in the middle