False Ear Shell 
Favorinus mirabilis 
Favorinus tsuruganus 
Felimare agassizii 
Felimare fontandraui 
Felimare picta 
Felimare villafranca 
Felimida dalli 
Fire Snail 
Flabellina bicolor 
Flabellina llerae 
Flabellina riwo 
Flamed Tigersnail 
Flamingo tongue snail 
Flat Camouflaged Slug 
Florida Tree Snail 
Forsskål's Pleurobranch 
Fringed Slitmouth 
Gabriela's Tambja 
Ganesella acris 
Garden Snail 
Gardiner's Headshield Slug 
Gasflame nudibranch 
Gasflame Tentacle Aeolid