2 Systematic Descriptions
77
Fig. 2.54 a Distal view; tear
in area between sacci
misinterpreted as sulcus.
b Thin cappula and sacci
roots. c Side view showing
position of sacci in relation
to corpus
possible with all saccate fossil pollen. However, the Striatites have no equivalent
in living plants since the Glossopterids are an extinct group, and therefore no
direct comparison with living genera is possible. Nevertheless, a general view
of diversity can be applied, and an attempt at reducing the number of species is
made.
Genus Crustaesporites (Leschik 1956; Jansonius 1962).