62
2 Systematic Descriptions
Fig. 2.44 Bascanisporites undosus; (a) proximal face; (b) distal face
Remarks and discussion: Barakarites cf. rotatus. Differs from Barakarites rotatus
in possessing a thick nexine while B. rotatus is characterised by an extremely
thin nexine. The thick nexine in Barakarites sp. gives the corpus a very dark
appearance, while the thin nexine in B. rotatus makes the corpus appear hyaline.
Backhouse (1991) places forms closely resembling B. sp. in Plicatipollenites
sp. So do also Banerjee and D’Rozario (1990). However, as only 10 specimens
have been found in samples of this study, there is not enough data to designate a
new species. It is most likely that B. sp. pollen grains are a variant of B. rotatus.
Saccate living plants exhibit significant variations. On the other hand, B. cf. rotatus
2 Systematic Descriptions
Fig. 2.44 Bascanisporites undosus; (a) proximal face; (b) distal face
Remarks and discussion: Barakarites cf. rotatus. Differs from Barakarites rotatus
in possessing a thick nexine while B. rotatus is characterised by an extremely
thin nexine. The thick nexine in Barakarites sp. gives the corpus a very dark
appearance, while the thin nexine in B. rotatus makes the corpus appear hyaline.
Backhouse (1991) places forms closely resembling B. sp. in Plicatipollenites
sp. So do also Banerjee and D’Rozario (1990). However, as only 10 specimens
have been found in samples of this study, there is not enough data to designate a
new species. It is most likely that B. sp. pollen grains are a variant of B. rotatus.
Saccate living plants exhibit significant variations. On the other hand, B. cf. rotatus