Orthopithonella tithonica
From dinoflaj2
"tithonica" (Keupp, 1978, p.90,92, figs.7-10) Lentin and Williams, 1985, p.384. Holotype: Keupp, 1978, fig.7. Originally Pithonella, subsequently Orthopithonella. Taxonomic senior synonym: Pithonella (as and now Orthopithonella) gustafsonii, according to Willems (1988, p.437). Age: Tithonian.
Parent: Orthopithonella