Meiourogonyaulax cantrellii
From dinoflaj3
"?cantrellii" Sarjeant, 1972, p.37–38, pl.4, fig.3; pl.6, figs.1–2; text-fig.8. Holotype: Sarjeant, 1972, pl.4, fig.3; pl.6, figs.1–2; text-fig.8. NOW Lanterna. Originally Meiourogonyaulax?, subsequently Lithodinia?, thirdly Lanterna, fourthly and now Lanterna?. Questionable assignment: Sarjeant (1972, p.37). Age: late Bathonian.
Parent: Meiourogonyaulax