Felimare fontandraui 
Felimare picta 
Felimare villafranca 
Felimida dalli 
Fire Snail 
Firefly squid 
Flabellina bicolor 
Flabellina llerae 
Flabellina riwo 
Flag Pen Shell 
Flamboyant Cuttlefish 
Flamed Tigersnail 
Flamingo tongue snail 
Flat Camouflaged Slug 
Florida Tree Snail 
Fluted giant clam 
Forsskål's Pleurobranch 
Fragile file clam 
Fringed Slitmouth 
Gabriela's Tambja 
Ganesella acris 
Garden Snail 
Gardiner's Headshield Slug 
Gasflame nudibranch