Callinectes is a genus of crabs, containing 16 extant species, including the Atlantic blue crab, C. sapidus:
[ "Crustacean", "Decapoda", "Lagenidium callinectes", "Callinectes exasperatus", "Dyspanopeus texanus", "Octolasmis lowei", "Panopeus herbstii" ]