# Deep Inheritance Hierarchy

> Stacking many layers of subclassing, so behavior is scattered and fragile to change.

Record: `lexicon:deep-inheritance-hierarchy`
Kind: anti-pattern
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-deep-inheritance-hierarchy

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Cross-Cutting Leakage](https://banes-lab.com/records/lexicon/cross-cutting-leakage.md) and before [Exposed Internals](https://banes-lab.com/records/lexicon/exposed-internals.md).

## Category

- [Core Modular Design](https://banes-lab.com/records/lexicon-category/core-modular-design.md)

## Negated by

- [Composition Over Inheritance](https://banes-lab.com/records/architecture/composition-over-inheritance.md)

## Linked from

- [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md)