Cannosphaeropsis fenestrata, Deflandre and Cookson, 1955

Now Aiora Cookson and Eisenack, 1960. Originally Cannosphaeropsis, subsequently (and now) Aiora.

Holotype: Deflandre and Cookson, 1955, pl.3, fig.2
Locus typicus: Gingin, W Australia
Stratum typicum: Turonian-Santonian

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Original description: [Deflandre and Cookson, 1955, p. 283]:

Description:
Shell apparently ellipsoidal; membrane thin, smooth, with a number of solid processes that are distally united with another; localized portions of the transverse traberculae are thin; strongly flattened and perforated by rounded openings of variable size.