multispiral การใช้

• The operculum is circular, multispiral, with a central nucleus.
• They have a brown, entirely corneous, circular, multispiral lip.
• The smooth nucleus consists of about one operculum is multispiral.
• The operculum is small, dark brown, multispiral, and chitinous.
• The operculum is circular, light brown, multispiral, and chitinous.
• The multispiral operculum has an erect, calcified spiral lamella.
• The operculum is multispiral with a thin, oblique lamella.
• The operculum is roughly circular, light brown, multispiral, and chitinous.
• The operculum is thin, amber, narrowly ovate, multispiral with eccentric nucleus.
• The operculum is relatively large, roughly circular, pale brown, and multispiral.
• The operculum is round, light brown, horny, multispiral with a central nucleus.
• The oblong operculum is orbicular and multispiral.
• The operculum is small, roughly circular, dark brown, multispiral, and chitinous.
• The Trochidae differ from the Turbinidae in having a corneous, never calcareous, operculum, which is always multispiral.
• The genus " Mangelia " used to be defined by a multispiral protoconch, contrary to the genus " Mangeliella"
• (Original description by W . H . Dall ) The thin shell is brilliantly nacreous . it is inflated and has a depressed-conical shape with five operculum is corneous and multispiral.
• W . H . Dall recognized this species as " Tegula regina " because the operculum is horny and moderately multispiral, instead of possessing a heavy calcareous operculum as in true Uvalinas.