* (E77.0) Defects in post-translational modification of lysosomal enzymes * Mucolipidosis II (I-cell disease) * Mucolipidosis III (pseudo-Hurler polydystrophy) * (E77.1) Defects in glycoprotein degradation * Aspartylglucosaminuria * Fucosidosis * Mannosidosis * Sialidosis (mucolipidosis I) Another type, recently characterized, is galactosialidosis.
Glycoproteinosis
Lipolysis
Necrosis
Demineralization 
Acid erosion
Degeneration 
Wasting
Cell death