| Aratus H. Milne-Edwards, 1853 |
| Aratus pacificus Thiercelin & Schubart, 2014 |
| Aratus pisonii (H. Milne-Edwards, 1837) |
| Armases Abele, 1992 |
| Armases americanum (de Saussure, 1858) |
| Armases angustipes (Dana, 1852) |
| Armases angustum (Smith, 1870) |
| Armases cinereum (Bosc, 1802) |
| Armases magdalenense (Rathbun, 1918) |
| Armases miersii (Rathbun, 1897) |
| Armases occidentale (Smith, 1870) |
| Armases ricordi (H. Milne-Edwards, 1853) |
| Sesarma Say, 1817 |
| Sesarma (Holometopus) H. Milne-Edwards, 1853 |
| Sesarma (Holometopus) angustipes Dana, 1852 |
| Sesarma (Holometopus) angustum Smith, 1870 |
| Sesarma (Holometopus) cinereum Bosc, 1802 |
| Sesarma (Holometopus) magdalenense Rathbun, 1918 |
| Sesarma (Holometopus) miersii Rathbun, 1897 |
| Sesarma (Holometopus) occidentale Smith, 1870 |