Pithonella echinosa
From dinoflaj2
"echinosa" Keupp, 1982, p.331-332, pl.6.2-7, figs.10-12; pl.6.2-8, figs.1-2. Holotype: Keupp, 1982, pl.6.2-7, figs.11-12; pl.6.2-8, fig.2. NOW Pirumella. Originally Pithonella, subsequently Obliquipithonella, thirdly (and now) Pirumella. Age: Early Albian.
Parent: Pithonella