Flinders Range scorpion 
Foliage webbing spider 
Forest scorpion 
Fork-palped Harvestman 
Four-spined Spiny Orbweaver 
Four-spot orb-weaver 
Freya decorata 
Frigga crocuta 
Fringed Jumping Spider 
Fringed Ornamental Tarantula 
Frontinellina frutetorum 
Fukasawana Ant-Mimic Spider 
Furrow Orb Spider 
Garden center spider 
Garden cross spider 
Garden Ghost Spider 
Garden jumping spider 
Garden Orbweaving Spider 
Garden Wolf Spider 
Gasteracantha curvispina 
Gasteracantha diadesmia 
Gasteracantha doriae 
Gasteracantha hecata 
Gasteracantha recurva