Hystrichosphaera ramosa var. membranacea
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"var. membranacea" (Rossignol, 1964, p.86, pl.1, figs.4,9-10; pl.3, figs.7,12) Davey and Williams, 1966b, p.37. Holotype: Rossignol, 1964, pl.1, figs.4,9-10. NOW Spiniferites membranaceus. Originally Hystrichosphaera furcata var. membranacea, subsequently Hystrichosphaera ramosa var. membranacea, thirdly Hystrichosphaera membranacea, fourthly (and now) Spiniferites membranaceus. Motile equivalent: Gonyaulax spinifera (Claparède and Lachmann, 1859) Diesing, 1866, according to Dale (1976, table 2 - p.45) and Dodge (1989, p.289). Age: Pleistocene-Holocene.Hystrichosphaera ramosa
