Cells urceolate, ventricose below, contracted towards the mouth.
The gills are nearly free, ventricose, crowded, dirty-grayish.
Stem hollow and floccose, narrow at top, ventricose; ring evanescent.
Most of the species are ventricose, and have regular radiating ribs.
The shell is ventricose, is closed or gapes slightly posteriorly, and has prominent subcentral umbones and an external ligament.
Cells pyriform, ventricose posteriorly, much attenuated at bottom.
Cells more or less pyriform, alate, narrow below, bulging or ventricose upwards.
Within these is the base of the tongue, under the form of a ventricose sack.
Leaves decurrent at the folds, the lower lobe incurved and ventricose; underleaves usually present, entire or bifid.
Some species of Voluta, of a more elongated shape than the rest, present a near approach to the most ventricose of the Mitr.
ventricose ven·tri·cose (věn'trĭ-kōs')
Inflated, swollen, or distended, especially on one side.