Periclimenes affinis 
Periclimenes cornutus 
Periclimenes lanipes 
Periclimenes tosaensis 
Perisesarma bidens 
Philarius imperialis 
Physetocaris 
Pipefish Shrimp 
Plesionika narval 
Polycheles typhlops 
Pom-pom crab 
Porcellanella triloba 
Portly spider crab 
Portunus gladiator 
Portunus pelagicus 
Potamon potamios 
Pott's Crinoid Shrimp 
Pronghorn Spiny Lobster 
Pseudocryptochirus viridis 
Purple Climber Crab 
Purple Crab 
Purple shore crab 
Purple Urchin Shrimp 
Pygmy locust lobster