Ingersoll Shale
The Ingersoll Shale is a Late Cretaceous informal geological unit in eastern Alabama. Fourteen theropod feathers assigned to birds and possibly dromaeosaurids have been recovered from the unit.
The Ingersoll Shale is a Late Cretaceous informal geological unit in eastern Alabama. Fourteen theropod feathers assigned to birds and possibly dromaeosaurids have been recovered from the unit.