Epigridae: Epigrus columnarius (May, 1911) (‘Cape Pillar epigrus’)
Synonym(s): columnarius Hedley & May, 1908.
Typical shell-length 2.7 mm. Lives subtidally and offshore. Native. Endemic to southeastern Australia (TAS only).
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Truncatelloidea
Family: Epigridae
Genus: Epigrus