Description: L 47.3–58.6um, Br ssp 52.4–63.9um, Br csp 61.8–71.2um, Isth 8.0–11.9um, L:Br 0.75–0.82. This taxon was quite common in the sample and there appeared to be several forms differein in the structure of the apical lobes; the more common form bore no spines on teh upper corner of the apical corners. One indivudual contained a spine at this point and another was an intermediate form having this spine on both lateral lobes on one semicell and none on the opposite semicell. (Dingley 2001)

State distribution in Australia, based on available literature

new record for NSW (Dingley 2001)

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