Skip to main content
  1. Stratigraphic Occurrences/

Traverse Group, Hamilton Group Alpena Limestone Formation, Gravel Point Formation, Four Mile Dam Formation, Genshaw Formation, Bell Shale Formation, Petoskey Formation, Potter Farm Formation Dock Street Clay Member, Bed 1, Zone 6, Acervularia Beds

Stauriida

Tabulophyllum traversense