Dodatak:Popis unutarčeljusnika, F
Fi
uredi- Filientomon
Fj
urediFjellbergella Nosek, 1980
urediAnimalia → Arthropoda → Entognatha → Protura → Acerentomoidea → Acerentomidae[1]
Fo
uredi- Folsomia
- Folsomides
- Folsomina
- Folsomotoma
- Forsteramea
Fr
uredi- Friesea
Fu
urediPorodica Fujientomidae Tuxen and Yin, 1982
uredi- Fujientomon Imadaté, 1964
Fujientomon Imadaté, 1964
uredi- Fujientomon dicestum Yin, 1977
- Fujientomon primum Imadaté, 1964