Columbellidae – Atiliinae: Mitrella (Dentimitrella) tenuis (Gaskoin, 1851) (‘white-based dove-shell’)

Synonym(s): tenuis Gaskoin, 1851 pulla Gaskoin, 1852 fulgida Reeve, 1859 saccharrata Reeve, 1859 nux Reeve, 1859.
Typical shell-length 16 mm. Colouration variable, but tendency for base of columella to be white is characteristic. Lives subtidally amongst rocks and seaweed. Native. Endemic to southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA). In Tasmanian waters, this is a widespread but uncommon species; most frequent in the N.