Goniobranchus splendidus 
Goniobranchus tinctorius 
Goniobranchus tumuliferus 
Goniodoridella geminae 
Goniodoridella savignyi 
Goniodoris joubini 
Grand Coral Worm Snail 
Great Pond Snail 
Great ramshorn 
Green Cellar Slug 
Greenhouse slug 
Grey bonnet 
Grey Garden Slug 
Gymnodoris inornata 
Gymnodoris rubropapulosa 
Gymnodoris subflava 
Habuprionovolva umbilicata 
Halgerda elegans 
Halgerda okinawa 
Halgerda terramtuentis 
Halgerda tessellata 
Halgerda wasinensis 
Halimeda Sap Sucking Slug 
Heath's Dorid