| Substrate Origin | Anthropogenic Substrate |
| Substrate Class | Anthropogenic Wood |
| Substrate Subclass | Anthropogenic Wood Reef Substrate Anthropogenic Wood Rubble Anthropogenic Wood Hash |
| Definition | Anthropogenic Substrate that is primarily composed of woody materials that were processed or assembled by humans. Shape for this substrate class is covered in the GC (e.g., Jetty, Dolphin, Pilings, and Wreck). |