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Cannosphaeropsis glabra
Cannosphaeropsis glabra, Cookson and Eisenack, 1974
Stover and Evitt, 1978, considered this to be a problematical species of Cannosphaeropsis.
Holotype: Cookson and Eisenack, 1974, pl.24, fig.12
Occurrence: Gingin Brook No. 4 bore, Perth basin, W.A., at 404-414 ft.
Age: Middle Cretaceous
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Original description: [Cookson and Eisenack, 1974, p. 70]:
Diagnosis:
Central shell spherical, thin-walled with relatively few radially extending processes which, to the extent it is visible, are simply furcated and the furcation-branches of which become united with those of adjacent processes. However, branchings also extend from these connections, so that a relative simple network surrounds the central shell. Radial propping-members and strands are of equal thickness and are smooth.
Dimensions:
Central shell about 58 µm in diameter, overall about 95 µm. One specimen.
Remarks:
The species reminds one of the C. apiculata Cooks.&Eis. 1960, however, the radial propping members are shorter in relation to the sphere radius and the strands of the reticulation are without spines or hump-like protuberances.
Stover and Evitt, 1978, considered this to be a problematical species of Cannosphaeropsis.
Holotype: Cookson and Eisenack, 1974, pl.24, fig.12
Occurrence: Gingin Brook No. 4 bore, Perth basin, W.A., at 404-414 ft.
Age: Middle Cretaceous
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Cookson and Eisenack, 1974, p. 70]:
Diagnosis:
Central shell spherical, thin-walled with relatively few radially extending processes which, to the extent it is visible, are simply furcated and the furcation-branches of which become united with those of adjacent processes. However, branchings also extend from these connections, so that a relative simple network surrounds the central shell. Radial propping-members and strands are of equal thickness and are smooth.
Dimensions:
Central shell about 58 µm in diameter, overall about 95 µm. One specimen.
Remarks:
The species reminds one of the C. apiculata Cooks.&Eis. 1960, however, the radial propping members are shorter in relation to the sphere radius and the strands of the reticulation are without spines or hump-like protuberances.