• Species and lower taxa
• Higher taxa
• Common names

Randallia laevis

Ranilia constricta

Ranilia guinotae

Ranilia muricata

Raninoides laevis

Ransonia krampi

Rathkea africana

Rathkea formosissima

Rhabdonella amor

Rhabdonella amor var. indica – synonym of Rhabdonella amor

Rhabdonella amor var. simplex – synonym of Protorhabdonella simplex

Rhabdonella apophysata

Rhabdonella brandti – synonym of Rhabdonella amor

Rhabdonella chavesi – synonym of Rhabdonella spiralis

Rhabdonella chiliensis

Rhabdonella conica – synonym of Rhabdonella spiralis

Rhabdonella cornucopia

Rhabdonella elegans – synonym of Rhabdonella amor

Rhabdonella hebe – synonym of Rhabdonella spiralis

Rhabdonella henseni – synonym of Rhabdonella spiralis

Rhabdonella indica – synonym of Rhabdonella amor

Rhabdonella inflata – synonym of Rhabdonella amor

Rhabdonella quantula – synonym of Rhabdonella amor

Rhabdonella spiralis

Rhabdonella striata – synonym of Rhabdonella spiralis

Rhabdonella valdestriata – synonym of Rhabdonella amor

Rhabdonellopsis apophysata – synonym of Rhabdonella apophysata

Rhabdonellopsis intermedia – synonym of Rhabdonella apophysata

Rhabdonellopsis longicaulis – synonym of Rhabdonella apophysata

Rhabdonellopsis triton – synonym of Rhabdonella apophysata

Rhabdoon singulare

Rhabdosoma armatum

Rhabdosoma brevicaudatum

Rhabdosoma minor

Rhabdosoma whitei

Rhacostoma atlantica

Rhincalanus cornutus

Rhincalanus gigas

Rhincalanus nasutus

Rhizophysa eysenhardti

Rhizophysa filiformis

Rhizostoma octopus – synonym of Rhizostoma pulmo

Rhizostoma pulmo

Rhopalonema velatum

Rhynchonerella angelini

Rhynchonerella bongraini

Rhynchonerella gracilis

Rhynchonerella moebii

Rhynchonerella petersi

Ritteriella amboinensis

Ritteriella retracta

Rochinia confusa

Rochinia gracilipes

Rondeletiola minor

Rosacea cymbiformis

Rosacea plicata

Russellia mirabilis