radiant dog-cockle (Glycymeris radians)

radiate lepton (Borniola radiata)

rainbow kelp-shell (Phasianotrochus irisodontes)

Raoul’s false-cockle (Cardiocardita raouli)

rayed keyhole-limpet (Amblychilepas javanicensis)

razor-like nut-shell (Propeleda ensicula)

recent mussel (Solamen recens)

rectangular condyl-clam (Condylocardia rectangularis)

recurved trophon (Gemixystus recurvatus)

reddish lissarca (Lissarca rubricata)

reddish micromussel (Notomytilus ruber)

reddish rock-whelk (Charonia lampas rubicunda)

reddish trough-shell (Mactra rufescens)

reddish-rayed abalone (Haliotis coccoradiata)

red-lipped hydrobia (Tatea rufilabris)

red-zoned false-turrid (Paramontana rufozonata)

Reeve’s sundial-shell (Adelphotectonica reevei)

reflected false-top-shell (Cirsonella reflecta)

reflective glass-shell (Pseudoliotia micans)

Reinhardt’s squid (Liocranchia reinhardti)

related sea-slug (Caldukia affinis)

remote slit-shell (Incisura remota)

resident sea-slug (Cerberilla incola)

reticent condyl-clam (Warrana cessens)

revolving chiton (Lorica volvox)

rhomboid lissarca (Lissarca rhomboidalis)

Rhone trophon (Gemixystus rhodanos)

Rhyll rice-shell (Rissoina rhyllensis)

ribbed chiton (Notoplax costata)

ribbed false-turrid (Mitromorpha costifera)

ribbed rice-shell (Onoba supracostata)

ribbed top-shell (Austrocochlea constricta)

ribbed-apex false-creeper (Socienna apicicostata)

ribbed-centred worm-shell (Stephopoma nucleocostata)

ridged false-top-shell (Cirsonella carinata)

ridged lucine (Codakia rugifera)

ridged venus (Katelysia rhytiphora)

Riise’s squid (Brachioteuthis riisei)

ringed false-top-shell (Liotella annulata)

ringed turrid (Vexitomina torquata)

Roadnight’s volute (Livonia roadnightae)

Robson’s squid (Moroteuthis robsoni)

rocky turrid (Austrodrillia saxea)

rose-rayed arc-mussel (Gaimardia rostellata)

rose-rayed limpet (Asteracmea illibrata)

rosy argalista (Argalista rosea)

rosy false-cockle (Venericardia rosulenta)

rosy pheasant-shell (Tricolia rosea)

rough notch-limpet (Montfortula rugosa)

rough squid (Cranchia scabra)

rough squid (Octopoteuthis rugosa)

rough top-shell (Herpetopoma scabriuscula)

rounded lepton (Kellia rotunda)

ruddy crypt-dweller (Petricola rubiginosa)

ruddy rice-shell (Onoba rubicunda)

ruddy top-shell (Astele rubiginosum)

Rudolph’s trophon (Litozamia rudolphi)