Inaperturopollenites sp.
(Fig. 13E)
OCCURRENCE. — Ashikajima and Kimigahama Fm.
DESCRIPTION
Inaperturate pollen grain. Amb subcircular. The exine is psilate, very folded and thin (about 1 µm thick). Equatorial diameter = 25-45 µm.
BOTANICAL AFFINITIES
Pinales .