Lithodinia cristulata
From dinoflaj3
"cristulata" (Sarjeant, 1959, p.332–334, pl.13, fig.2; text-fig.2) Gocht, 1976, p.334. Holotype: Sarjeant, 1959, pl.13, fig.2; text-fig.2. NOW Meiourogonyaulax. Originally Gonyaulax? (Appendix B), subsequently Meiourogonyaulax?, thirdly Lithodinia?, fourthly (and now) Meiourogonyaulax, fifthly Lithodinia. Questionable assignment: Gocht (1976, p.334) — however, Williams et al. (1993, p.55) retained this species in Lithodinia without question. Age: early Callovian.
Parent: Lithodinia