Cancer (genus)
Cancer est genus Brachyurorum marinorum, notissimos zonae litoralis cancros habens, sicut Cancer pagurus et Cancer borealis.

Species 
Genus Cancer, hodie circumscriptum, octo species continet:
 Cancer bellianus Johnson, 1861
 Cancer borealis Stimpson, 1859
 Cancer irroratus Say, 1817
 Cancer johngarthi Carvacho, 1989
 Cancer pagurus Linnaeus, 1758
 Cancer plebejus Poeppig, 1836
 Cancer porteri Rathbun, 1930
 Cancer productus J. W. Randall, 1840

Aliae species olim in genere Cancro circumscriptae, praecipue Glebocarcinus, Metacarcinus, et Romaleon, ad alia genera nuper translata sunt.

Notae 

Cancroidea
Taxa Linnaei
Taxa 1758
Genera animalium