Fa
Podrod Fallisia Lainson et al., 1974
Chromista → Myzozoa → Aconoidasida → Haemosporida → Plasmodiidae → Plasmodium
Fe
Fenchelia (Fenchel, 1965) Raabe, 1970
- Fenchelia crassa (Fenchel, 1965) Raabe, 1970
Chromista → Ciliophora → Oligotrichea → Oligotrichida → Metacyclididae
Fi
Potkoljeno Filosa
Chromista → Harosa → Rhizaria → Cercozoa
Filosa incertae sedis
- Rodovi: Euglyphinopsis, Lesquerella, Paramphitrema, Rhumbleriella, Sudzukiella, Voluta, Volutella
Chromista → Harosa → Rhizaria → Cercozoa
Fissoelphidium Smout, 1955 †
Chromista → Foraminifera → Globothalamea → Rotaliida → Rotalioidea → Rotaliidae → Cuvillierininae
Fu
Fueloepicyrtis Kozur and Mostler 1981
- Fueloepicyrtis hungarica Kozur and Mostler, 1981
Chromista → Radiozoa → Polycystina → Nassellaria → Nabolellidae
†Fukujus Furutani, 1990
Chromista → Radiozoa → Polycystina → Entactinaria → Palaeoscenidiidae