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Hystrichosphaeropsis ovum
From Fensome et al., 2019:
Hystrichosphaeropsis 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. NIA. Age: Senonian.
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Holotype: Deflandre, 1935, pl.8, fig.11; Jan du Chêne et al., 1986, pl.46, fig.1
Age: Senonian
Original description (Deflandre, 1935) Translation PKB 2025:
Very close to these Hystrichosphaera, seems to me the new genus Hystrichosphaeropsis, represented by a species, H. ovum n. sp., whose various polar aliform expansions are very reminiscent of those of Hystrichosphaera wetzeli Defl. In Hystrichosphaeropsis, on the other hand, I have seen neither well-defined plates, capable of being counted and discriminated to establish a tabulation, nor any trace of an equatorial arrangement evoking a furrow. There are, however, in this equatorial region of Hystrichosphaeropsis, some short, aligned forked processes, as well as a tendency of the polar membranous expansions to come to an end there by bending.
Hystrichosphaeropsis 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. NIA. Age: Senonian.
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Holotype: Deflandre, 1935, pl.8, fig.11; Jan du Chêne et al., 1986, pl.46, fig.1
Age: Senonian
Original description (Deflandre, 1935) Translation PKB 2025:
Very close to these Hystrichosphaera, seems to me the new genus Hystrichosphaeropsis, represented by a species, H. ovum n. sp., whose various polar aliform expansions are very reminiscent of those of Hystrichosphaera wetzeli Defl. In Hystrichosphaeropsis, on the other hand, I have seen neither well-defined plates, capable of being counted and discriminated to establish a tabulation, nor any trace of an equatorial arrangement evoking a furrow. There are, however, in this equatorial region of Hystrichosphaeropsis, some short, aligned forked processes, as well as a tendency of the polar membranous expansions to come to an end there by bending.