Raa
Raabella Chatton & Lwoff, 1950
- Raabella helensis Chatton & Lwoff 1950
Chromista → Ciliophora → Phyllopharyngea → Rhynchodida → Ancistrocomidae
Raabellocineta de Puytorac, Grolière & Grain, 1979
- Raabellocineta elongata de Puytorac, Groliere & Grain 1979 [1]
Chromista → Ciliophora → Oligohymenophorea → Thigmotrichida → Hysterocinetidae
Raabena Wolska, 1967
- Raabena Bella Wolska 1967
Chromista → Ciliophora → Litostomatea → Entodiniomorphida → Blepharocorythidae
Raadshoovenia Bold, 1946 †
- †Raadshoovenia guatemalensis Van Den Bold 1946
- †Raadshoovenia salentina Papetti & Tedeschi 1965
Chromista → Foraminifera → Tubothalamea → Miliolida → Alveolinoidea → Rhapydioninidae → Rhapydionininae
Rad
Koljeno Radiozoa Cavalier-Smith, 1987
- Acantharea Haeckel, 1881
- Cadiidae Borgert, 1901
- Polycystina Ehrenberg 1838
- Sticholonchea (Poche, 1913) Petrushevskaja, 1977
- Radiozoa incertae sedis
- Niži taksoni: †Amphicraspedum, †Copiconica, †Durahelenifore, †Grosmorneus, †Gyrosphaera, †Labyrinthosphaera, †Pentinastrum, † Pheodaria, Polycystina, †Rotasphaeracea, †Spongosphaera, †Stylotrochus, †Triactiscus, †Veles
Razred Radiozoa incertae sedis
Chromista → Harosa → Rhizaria → Radiozoa
†Radium Yeh 1989
- †Radium pessagnoi Yeh 1989
Chromista → Harosa → Rhizaria → Radiozoa → Polycystina → Entactinaria
Rap
Raphidiophryidae
- Rod Polyplacocystis Mikrjukov, 1996
- Rod Raphidiophrys
Chromista → Hacrobia → Heliozoa → Centrohelea → Centrohelida
Raphidiophrys
Chromista → Heliozoa → Centrohelea → Centrohelida → Raphidiophryidae
- Raphidiophyidae