Gartnerago costatum costatum Bukry 1969

LM
Mooreville Formation, Tibbee Creek, West Point, Mississippi, USA
Age: Campanian
Light Source: Polarized (left), Transmitted (center), Phase Contrast (right)

SEM
Tupelo Tongue of the Coffee Sand (Type Locality), East Tupelo, Lee County, Mississippi, USA
Age: Campanian
Scanning Electron Micrograph: Magnification 9600x