Spiniferites hyperacanthus

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) — however, Londeix et al. (2009, p.66) retained the latter taxon.  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