Ornate Sap-sucking Slug 
Ovatipsa chinensis 
Oxynoe viridis 
Pacific banana slug 
Pacific plate limpet 
Pacific sideband 
Painted Elysia 
Painted Snail 
Palio gaeli 
Palmadusta asellus 
Palmadusta ziczac 
Paraflabellina ischitana 
Parthena acutangula 
Partridge tun 
Paryphanta busbyi 
Pellasimnia annabelae 
Peruvian Periwinkle 
Phenacovolva poppei 
Phestilla goniophaga 
Philinopsis cyanea 
Phyllidia alyta 
Phyllidia exquisita 
Phyllidia polkadotsa 
Phyllidia rueppeli