Description: L 39.3um, Br. csp 64.6um, Br. ssp. 40.7um, Isth. 9.8um (fig. 7d). Cells had deeply constricted sinuses which were actue-angled and open. The semicells were elliptic, had a slightly convex apex and were furnished with two simple divergent spines on the lateral angles. The cell walls were punctate becoming coarser towards the center of each semicell. (Dingley 2001)

State distribution in Australia, based on available literature

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