Raeta pulchella (beautiful trough-shell)
Ranella australasia australasia (Australasian rock-whelk)
Retizafra calva (bald dove-shell)
Retizafra multicostata (many-ribbed dove-shell)
Retizafra plexa (plaited dove-shell)
Retusa atkinsoni (Atkinson’s canoe-shell)
Retusa pelyx (bowl canoe-shell)
Retusa protumida (swollen canoe-shell)
Retusa pygmaea (pygmy canoe-shell)
Retusa sculpta (engraved canoe-shell)
Rhyssoplax calliozona (beautiful-zoned chiton)
Rhyssoplax diaphora (diaphorous chiton)
Rhyssoplax jugosa (juicy chiton)
Rhyssoplax orukta (orukta chiton)
Rhyssoplax tricostalis (three-ribbed chiton)
Risellopsis mutabilis (variable-shaped winkle)
Rissoella confusa robertsoni (confused rissoella)
Rissoella fallax (false rissoella)
Rissoella fretterae (Fretter’s rissoella)
Rissoella imperforata (imperforate rissoella)
Rissoella micra (tiny rissoella)
Rissoella wilfredi (Wilfred’s rissoella)
Rissoina angasi (Angas’ rice-shell)
Rissoina elegantula (elegant rice-shell)
Rissoina fasciata (banded rice-shell)
Rissoina gertrudis (Gertrude’s rice-shell)
Rissoina nivea (snowy rice-shell)
Rissoina rhyllensis (Rhyll rice-shell)
Roburnella wilsoni (Wilson’s roburnella sea-slug)
Rossia australis (austral dumpling-squid)
Rossia leptodons (scale-toothed dumpling-squid)
Rostanga australis (southern sea-lemon)
Rostanga calumus (fake sea-lemon)
Rufolacuna bruniensis (Bruny winkle)
Runcina australis (southern sea-slug)