Aspidolithus parcus constrictus (Hattner & Wise) Perch-Nielsen 1984
Coon Creek Formation, White Oak Creek, Enville, Tennessee, USA
Age: Campanian
Light Source: Polarized (left), Transmitted (center), Phase Contrast (right)
Tupelo Tongue of the Coffee Sand (Type Locality), East Tupelo, Lee County, Mississippi, USA
Age: Campanian
Scanning Electron Micrograph: Magnification: 7200x