Tay Sachs, Sandhoff, GM1, Fabry, Gaucher, Niemann-Pick, Pompe are lysosomal storage disorders. Tay Sachs and Sandhoff are both categorized as GM-2 gangliosidoses. This is because they are both caused by the build up of GM-2 gangliosides, as described below.

*Pompe is also a glycogen storage disorder.