| Nominal Species (n = 23) | Present allocation (n = 19) | Ref. |
|---|---|---|
| Cancer amphioetus Rathbun, 1898 | Cancer amphioetus | 19 |
| Cancer antennarius Stimpson, 1856 | Romaleon antennarium | 19 |
| Cancer anthonyi Rathbun, 1897 | Cancer anthonyi | 19 |
| Cancer bellianus Johnston, 1861 | Cancer bellianus | 435 |
| Cancer borealis Stimpson, 1859 | Cancer borealis | 19 |
| Cancer branneri Rathbun, 1926 | Romaleon branneri | 3477 |
| Cancer coronatus Molina, 1782 | Cancer plebejus | 3477 |
| Cancer dentatus Bell, 1835 | Romaleon setosum | 3477 |
| Cancer edwardsii Bell, 1835 | Metacarcinus edwardsii | 3477 |
| Cancer gracilis Dana, 1852 | Cancer gracilis | 19 |
| Cancer irroratus Say, 1817 | Cancer irroratus | 19 |
| Cancer irroratus Bell, 1835 | Cancer plebejus | 3477 |
| Cancer johngarthi Carvacho, 1989 | Cancer johngarthi | 3477 |
| Cancer jordani Rathbun, 1900 | Cancer jordani | 19 |
| Glebocarcinus kashini Marin, Maiorova & Korn, 2018 | Glebocarcinus kashini | 3477 |
| Cancer magister Dana, 1852 | Metacarcinus magister | 3477 |
| Platepistoma nanum Davie, 1991 | Platepistoma nanum | 100230 |
| Cancer pagurus Linnaeus, 1758 | Cancer pagurus | 19 |
| Cancer plebejus Poeppig, 1836 | Cancer plebejus | 87391 |
| Cancer polyodon Poeppig, 1836 | Romaleon setosum | 3477 |
| Cancer porteri Rathbun, 1930 | Cancer porteri | 3477 |
| Cancer productus Randall, 1840 | Cancer productus | 19 |
| Cancer setosus Molina, 1782 | Romaleon setosum | 3477 |