Neoraistrickia sp. 3 (Fig. 7G, J)

Neoraistrickia sp . C, Legrand, Palynologie des dépôts Jurassique supérieur et Crétacé inférieur du Japon, et provinces paléofloristiques du sud-est asiatique: 144, pl. IV, figs 11, 15 (2009).

OCCURRENCE. — Ashikajima and Kimigahama Fm.

DESCRIPTION Triletemicrospore.Ambcircular.Thelaesuraecannotbe clearly seen; they seem short and raised in a very small contact area.The two faces are densely covered by more or less short and sinuous rugulae topped by bacula, coni, spines or tubercules (4 to 7 µm high), giving to the spore a bristling appearance. The exine is about 3 µm thick. Equatorial diameter = 35-45 µm.

REMARK

The ornamentation of Neoraistrickia sp. 3 has similarities with that of N. sp. 2, but can be distinguished from the later by its dense and bristling appearance and its thicker exine.

BOTANICAL AFFINITIES

Bryophyta or Lycopsida ( Selaginellaceae)?