Classic Conulariid -
Conulariids were thought to be free floaters but recent study has suggested they were attached to the sea floor. Most conulariids are found in bed #21 and higher.
Below is a photograph of the shell texture of this specimen at high magnification.
The scale bar represents 100 microns. (1,000 microns = 1 mm)
The scale bar represents 100 microns. (1,000 microns = 1 mm)