Cerodinium elongatum
From dinoflaj2
"elongatum" (Jiabo, 1978, p.54-55, pl.1, figs.5-7) Lentin and Williams, 1987, p.114. Holotype: Jiabo, 1978, pl.1, fig.6. NOW Cangxianella. Originally Lejeunia (generic name illegitimate), subsequently Ceratiopsis (combination illegitimate), thirdly Cerodinium, fourthly (and now) Cangxianella. Age: Early Tertiary.
Parent: Cerodinium