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2 Systematic Descriptions
Fig. 2.8 a Spore having ektexinal layer, b spore with ektexinal layer, c, d ‘naked’ spores, ektexinal
layer absent. Spores have germinated at some stage
Fig. 2.9 a–c C. microreticulata
Discussion: As mentioned in the generic description, Maculatasporites and Cymatiosphaera are one and the same genus, being aplanospores of the same alga. Open
reticulum of exine signifies germination of the spore at some stage (Fig. 2.8).
Cymatiosphaera microreticulata sp. nov (Fig. 2.9).
Occurrence: Lower Permian and Upper Permian of Collie Basin. Type Locality:
Site B bore, 1641
.
Specimen: Holotype; U.W.A. no. 61888. Isotype; U.W.A. no. 61887.
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