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| All orders have been
arranged alphabetically, as well as the families inside these orders. |
| Amphipoda - Amphipods -Crangonyctidae - Aquatic Amphipods -Paramelitidae - Cave Amphipods |
| Decapoda - Decapods -Astacidae - Freshwater Grayfish -Atyidae - Freshwater Shrimps -Cambaridae - Cambarid Crayfish -Grapsidae - Land Crabs  -Palaemonidae - Prawns; Shrimps |
| Isopoda - Woodlice -Armadillidae - Woodlice |