Keystone plate
From dinoflaj3
A plate which overlaps all adjacent plates on the episome or hyposome. See also culmen, imbrication and secondary keystone plate. Refer to Text-Figures 11-12.
A plate which overlaps all adjacent plates on the episome or hyposome. See also culmen, imbrication and secondary keystone plate. Refer to Text-Figures 11-12.