Hystrichosphaeropsis ovum
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*ovum Deflandre, 1935, p.232, pl.8, fig.11. Holotype: Deflandre, 1935, pl.8, fig.11; Jan du Chêne et al., 1986a, pl.46, fig.1. Originally (and now) Hystrichosphaeropsis, subsequently Hystrichosphaera. Lentin and Williams (1973, p.81) retained this species in Hystrichosphaeropsis. N.I.A. Age: Senonian.
