Spiniferites heterostylus
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"heterostylus" (Heisecke, 1970, p.238,240, pl.5, figs.1-4; pl.6, figs.4-5) Lentin and Williams, 1973, p.128. Holotype: Heisecke, 1970, pl.5, figs.3-4; pl.6, fig.4. NOW Achomosphaera. Originally Hystrichosphaera, subsequently Spiniferites, thirdly (and now) Achomosphaera. Age: Danian.
Parent: Spiniferites