Cannosphaeropsis apiculata, Cookson and Eisenack, 1960

Now Papuadinium. Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly Rigaudella, fourthly (and now) Papuadinium.

Holotype: Cookson and Eisenack, 1960, pl.39, fig.15
Locus typicus: Canning Basin, W Australia
Stratum typicum: Tithonian

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Original description: [Cookson and Eisenack, 1960, p. 254]:

Description:
Shell small, sphaerical with simple network composed of about eight to twelve solid sometimes flattened supporting processes which branch distally and thin connecting threads which bear small spinules.

Dimensions:
holotype - shell 40 µm, overall 86 µm; other specimens shell 30-40 µm, overall 55-76 µm.