Fissurellidae – Emarginulinae: Montfortula rugosa (Quoy & Gaimard, 1834) (‘rough notch-limpet’)

Synonym(s): rugosa Quoy & Gaimard, 1834 conoidea Reeve, 1842.
Typical shell-length 20 mm. Shell may be uniformly white or fawn, or with radiating greenish or grey zones. Lives intertidally and subtidally attached to rocks, especially on moderately sheltered shores. Native. Endemic to southeastern and southwestern Australia (QLD, NSW, TAS, VIC, SA and WA). In Tasmanian waters, this is a widespread and common species.