| Infraorder | Achelata Scholtz & Richter, 1995
| 2 4 6 | Families Genera Species |
| Infraorder | Anomura MacLeay, 1838 Hermit crabs, Hermit Crabs and Mole Crabs, Mud shrimps | 25 473 6522 | Families Genera Species |
| Infraorder | Astacidea Latreille, 1802 Crayfish, Crayfishes and Lobsters, Lobsters | 14 125 1977 | Families Genera Species |
| Infraorder | Axiidea de Saint Laurent, 1979 Ghost shrimps, Lobster shrimps | 11 126 614 | Families Genera Species |
| Infraorder | Brachyura Linnaeus, 1758 Crabs, Short-tailed crabs, True crabs | 156 2882 21182 | Families Genera Species |
| Infraorder | Caridea Dana, 1852 Caridean shrimps | 45 715 7656 | Families Genera Species |
| Infraorder | Gebiidea de Saint Laurent, 1979 Mud lobsters, Mud shrimps | 1 0 0 | Family Genera Species |
| Infraorder | Glypheidea Winckler, 1882
| 5 29 367 | Families Genera Species |
| Infraorder | Palinura Scholtz & Richter, 1995
| 5 119 862 | Families Genera Species |
| Infraorder | Polychelida Scholtz & Richter, 1995
| 3 11 54 | Families Genera Species |
| Infraorder | Stenopodidea Bate, 1888 Coral shrimps, Glass sponge shrimps | 3 22 152 | Families Genera Species |
| Infraorder | Thalassinidea Latreille, 1831
| 8 156 1698 | Families Genera Species |
| Genus | Charassocarcinus ♰ Van Straelen, 1925
| 1 | Species |
| Genus | Meyreia ♰
| 0 | Species |