| Category | Core structure | Classes/Subclasses |
| Fatty acyls |  |
Fatty acids and conjugates, Fatty esters, fatty alcohols, Fatty amides, eicosanoids |
| Glycerolipids |  |
Monoacylglycerols, Monogalactosyldiacylglycerols, Diacylglycerols, Digalactosyldiacylglycerols, Triacylglycerols |
| Glycerophospholipids |  |
Phosphatidic acids, Phosphatidylethanolamine, Phosphatidylcholine, Phosphatidylglycerols, Phosphatidylserines, Phosphatidylinositols, Cardiolipins |
| Sphingolipids |  |
Ceramides, sphingosines, Sphingosine-1-phosphates, Gangliosidemannoside 3, Sphingomyelins Sulfatides |
| Sterol lipids |  |
Cholesterols, Cholesteryl esters, Cholesteryl sulfates, Steroids, Bile acids |
| Prenol lipids |  |
Isoprenoids, Polyprenoids, Quinines, Hydroquinines, |
| Saccharolipids |  |
Acylaminosugars, Acylaminosugarglycans, Acyltrehaloses, Acyltrehalosesglycans |
| Polyketides |  |
Macrolide polyketides, Aromatic polyketides, Non-ribosomal peptide/polyketide hybrids |
