The term mud shrimp is used for a number of different mud-dwelling crustaceans: The former infraorder Thalassinidea, which included genera such as Callianassa, Pestarella and Upogebia Infraorder Axiidea, comprising part of the former infraorder Thalassinidea Infraorder Gebiidea, comprising part of the former infraorder Thalassinidea Corophium volutator, an amphipod of the North Atlantic Species of Solenocera, a genus of prawns