Dusa is classified under Family Penaeidae, in the order Decapoda (crustacean scavengers within the class Malacostraca), and phylum Arthropoda.
Family: Penaeidae Order: Decapoda Arthropoda Phylum: The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crayfish, crabs, lobsters, prawns, and shrimp. Most decapods are scavengers. 
