Impagidinium churchillii

"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).  Taxonomic senior synonym: Hystrichosphaera (now Spiniferites) bentorii according to Harland (1977b, p.98–99) — however, Leptodinium churchillii is now generally considered to be a taxonomic junior synonym of Hystrichosphaera (now Spiniferites) nodosa.  Age: Holocene.

Parent: Impagidinium