Lithodinia pila
From dinoflaj3
"pila" (Gitmez and Sarjeant, 1972, p.226–227, pl.4, fig.5; pl.7, fig.3; text-fig.23) Gocht, 1976, p.334. Holotype: Gitmez and Sarjeant, 1972, pl.4, fig.5; text-fig.23. NOW Meiourogonyaulax. Originally (and now) Meiourogonyaulax, subsequently Lithodinia. N.I.A. Age: middle-late Kimmeridgian.
Parent: Lithodinia