Bonetocardiella williambensonii
From dinoflaj2
"williambensonii" Bolli, 1978b, p.912-913, pl.2, figs.1-12; pl.3, figs.1-12. Holotype: Bolli, 1978b, pl.2, figs.1-3. Name not validly published: generic name not validly published. NOW Pirumella. Originally Bonetocardiella (name not validly published), subsequently Pithonella, thirdly Obliquipithonella, fourthly Orthopithonella, fifthly (and now) Pirumella. Age: Oxfordian-Kimmeridgian.
Parent: Bonetocardiella