Rissoellidae: Rissoella (Zelaxitas) micra (Finlay, 1924) (‘tiny rissoella’)
Synonym(s): micra Finlay, 1924.
Typical shell-length 1.0 mm. Lives intertidally and subtidally amongst rocks and seaweed. Native. Occurs in southeastern Australia (NSW, TAS and VIC); also New Zealand.
Order: Lower Heterobranchia