Lithodinia callomonii
From dinoflaj2
"callomonii" (Sarjeant, 1972, p.31-33, pl.5, fig.5; text-fig.6) Gocht, 1976, p.334. Holotype: Sarjeant, 1972, pl.5, fig.5; text-fig.6. NOW Meiourogonyaulax. Originally (and now) Meiourogonyaulax, subsequently Lithodinia. Age: Late Bathonian-Early Callovian.
Parent: Lithodinia