Carcinus maenas and Botrylloides violaceus, author: Fisheries and Oceans Canada, Melisa Wong
Lithoscaptus aquarius (photo from aquarium), author: van der Meij, Sancia E.T.
Placetron wosnessenskii, author: Neil McDaniel
Portunus hastatus, author: Pillon, Roberto

DecaNet (World List of Decapoda)