Orthopithonella cookii

"cookii" (Bolli, 1974, p.856, pl.6, figs.9–12; pl.18, figs.3–9; pl.23, fig.6) Willems, 1988, p.437.  Holotype: Bolli, 1974, pl.6, fig.9; pl.23, fig.6.  Combination not validly published: basionym not fully referenced.  NOW Pirumella.  Originally Pithonella, subsequently Obliquipithonella, thirdly Orthopithonella (combination not validly published), fourthly (and now) Pirumella.  Age: Coniacian–Santonian.

Parent: Orthopithonella