Cancer borealis megalopa, author: Fisheries and Oceans Canada, J.M. Spry
Liocarcinus marmoreus (Leach, 1814), author: IMARES
Camposcia retusa BluntDecoratorCrab2 DMS, author: ReefLifeApps.com
Lithoscaptus aquarius (photo from aquarium), author: van der Meij, Sancia E.T.

DecaNet (World List of Decapoda)