Escharisphaeridia dicrypta
From dinoflaj3
dicrypta (Gitmez and Sarjeant, 1972, p.225–226, pl.7, fig.6; text-fig.22) Williams et al., 1993, p.57. Holotype: Gitmez and Sarjeant, 1972, pl.7, fig.6; text-fig.22. Originally Meiourogonyaulax, subsequently Lithodinia, thirdly Meiourogonyaulax?, fourthly Canningia, fifthly (and now) Escharisphaeridia. Age: early–late Kimmeridgian.
Parent: Escharisphaeridia