1. Devonian Atlas of Ancient Life/
2. Stratigraphic-Occurrences/
3. Traverse Group, Hamilton Group, Pope Group Four Mile Dam Fm., Ipperwash Fm., Arkona Fm., Ludlowville Fm., Sellersburg Limestone Fm., Genshaw Fm., Beech Creek Ls. Dock Street Clay Mbr., Wanakah Mbr., Beechwood Ls./

Traverse Group, Hamilton Group, Pope Group Four Mile Dam Fm., Ipperwash Fm., Arkona Fm., Ludlowville Fm., Sellersburg Limestone Fm., Genshaw Fm., Beech Creek Ls. Dock Street Clay Mbr., Wanakah Mbr., Beechwood Ls.