Eulimidae: Apicalia tryoni (Tate & May, 1900) (‘Tryon’s urchin-snail’)

Synonym(s): tryoni Tate & May, 1900.

Typical shell-length 3.0 mm. Lives subtidally as an internal parasite of echinoderms. Native. Endemic to southeastern and southwestern Australia (TAS, VIC and WA).