Adnatosphaeridium tutulosum, (Cookson and Eisenack, 1960), Morgan, 1980

Holotype: Cookson and Eisenack, 1960, pl.2, fig.13
Locus typicus: Carnarvon Basin, Australia
Stratum typicum: Cenomanian

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

Description:
Shell sphaerical, with numerous radial processes of equal width which divide distally and join with neighbouring branches to form the series of relatively wide and deep loops with which the shell is invested.

Dimensions:
Holotype: Diameter of shell about 33 µm, overall diameter 70 µm.
Two other examples are of approximately the same size.