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NANNOCERATOPSIOID TABULATION TYPE:
A
tabulation type in which the
cingulum separates the
theca into a "gonyaulacoid-peridinioid"
episome and a "dinophysioid"
hyposome. The episome is divisible into two
latitudinal series of plates and an
apical pore complex. The
sagittal suture on the hyposome, which separates two large
lateral plates, H2 and H3, splits midventrally, the resultant suture encircling the cell along the
posterior boundary of the cingulum. See also
gonyaulacoid-peridinioid tabulation type and
dinophysioid tabulation type. Refer to Text-Figure 9D.
DINOFLAJ (c) 1998