These are often more developed on the inner and middle whorls, becoming less so or absent on the outer.
The inner whorls have long primary ribs while the outer whorls become smooth.
"Then take me," she started to say, but his tongue was doing erotic things to the inner whorls of her ear.
The corolla, the inner whorl of the perianth, is bright yellow.
The inner whorls over covered with fine lirae, the outer ones are smooth.
Prominent lateral ribs, at least on inner whorls.
The venter may be sharp on the inner whorls, a feature which disappears on the later.
Distinct primary and secondary ribbing can be observed in the inner whorls.
Their inner whorls closely resemble types species of Valdedorsella.
Most of the included species have coronate inner whorls and outer tubercles only.