Columbellidae – Atiliinae: Mitrella (Dentimitrella) semiconvexa (Lamarck, 1822) (‘semiconvex dove-shell’)

Synonym(s): semiconvexa Lamarck, 1822 strigata Reeve, 1859.

Typical shell-length 25 mm. Though very variable in colouration, its large size and shape is characteristic. Lives subtidally amongst rocks and seaweed, especially in exposed environments. Native. Endemic to southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA). In Tasmanian waters, this is a widespread and common species, especially in the N.