Pirumella johnstonei
From dinoflaj3
johnstonei (Bolli, 1974, p.856, pl.6, figs.5–8; pl.18, figs.1–2; pl.23, fig.5) Lentin and Williams, 1993, p.518. Holotype: Bolli, 1974, pl.6, figs.5–6; pl.18, fig.1; pl.23, fig.5. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Taxonomic senior synonym: Thoracosphaera (now Orthopithonella) deflandrei, according to Kohring (1993a, p.30) — however, Streng et al. (2004, p.482) retained Pithonella (as Pirumella) johnstonei. Age: Coniacian–Santonian.
Parent: Pirumella