Cannosphaeropsis? peridyctia, Eisenack and Cookson, 1960

Now Hapsocysta. Originally Cannosphaeropsis, subsequently Cannosphaeropsis?, thirdly (and now) Hapsocysta.
Stover and Evitt, 1978, considered this to be a provisionally accepted species of Cannosphaeropsis.

Holotype: Eisenack and Cookson, 1960, pl.3 fig.6; Fensome et al., 1995, fig.2 — p.1661; Heilmann-Clausen and Van Simaeys, 2005, text-figs.6A–B.
Locus typicus: Carnarvon Basin, W Australia
Stratum typicum: Late Albian-Cenomanian

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Original description: [Eisenack and Cookson, 1960, p. 8]:

Description:
Shell sphaerical, thin-walled, completely enveloped in a wide-meshed network the threads of which are thin, cylindrical or occasionally flat. The supporting threads so evident in other species of Cannosphaeropsis are not clearly defined and usually the greater portion of the net is free from the shell.

Dimensions:
Type: diameter of the shell c.43 µm, overall diameter c.76 µm.