Hystrichosphaera ramosa var. pachyderma
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"var. pachyderma" (Rossignol, 1964, p.86, pl.1, figs.1–2; pl.3, fig.6) Harland and Downie, 1969, p.232. Holotype: Rossignol, 1964, pl.1, figs.1–2. Combination not validly published: basionym not fully referenced. NOW Spiniferites pachydermus. Originally Hystrichosphaera furcata var. pachyderma, subsequently Hystrichosphaera ramosa var. pachyderma (combination not validly published), thirdly Spiniferites ramosus subsp. pachydermus, fourthly (and now) Spiniferites pachydermus. Age: Pleistocene–Holocene.
Parent: Hystrichosphaera ramosa