Spiniferites hyperacanthus
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hyperacanthus (Deflandre and Cookson, 1955, p.264-265, pl.6, fig.7) Cookson and Eisenack, 1974, p.59. Holotype: Deflandre and Cookson, 1955, pl.6, fig.7. Originally Hystrichosphaera, subsequently Achomosphaera, thirdly (and now) Spiniferites. Taxonomic junior synonym (at specific rank): Hystrichosphaera furcata var. multiplicata (as Spiniferites ramosus subsp. multiplicatus), according to Matsuoka (1985a, p.35). Motile equivalent: Gonyaulax spinifera complex, according to Matsuoka et al. (1989, p.94). Reid (1974, p.603) also proposed this combination. Age: Miocene.
Parent: Spiniferites
