Krutzschidinium summissum
From dinoflaj2
"summissum" (Harland, 1979c, p.66-67, fig.12) Strauss, 1991a, p.57. Holotype: Harland, 1979c, pl.1, fig.12. Combination not validly published: basionym not fully referenced. NOW Apectodinium. Originally Wetzeliella subgenus Apectodinium, subsequently (and now) Apectodinium, thirdly Krutzschidinium. Age: Late Paleocene.
Parent: Krutzschidinium