| LayerSequence (Strat) | LithologySet (Strat) |
| SingleLayerGenerator (Strat) | ||
| Layer (Strat) | LayerSequenceGenDesc (Strat) |
| RefTree (Strat) |
| ||
| LayerGenerator (Strat) | LeafUnitRef (Strat) | NodeOnlyUnitRef (Strat) | RepositoryAccess (Strat) | UnitRef (Strat) | ||
| LayerModel (Strat) | LeavedUnitRef (Strat) | NodeUnitRef (Strat) |
| UnitRefIter (Strat) | ||
| LayerModelGenerator (Strat) | Lithology (Strat) |
1.7.1