Impagidinium churchillii
From dinoflaj2
"churchillii" (Harland, 1968, p.548,550-551, figs.12-13,22-24) Matsuoka, 1983a, p.7. Holotype: Harland, 1968, figs.12-13,22-24. Originally Leptodinium, subsequently Impagidinium. Taxonomic senior synonym: Hystrichosphaera (now Spiniferites) nodosa, according to Reid (1974, p.599). Age: Holocene.
Parent: Impagidinium
