Apectodinium summissum

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summissum (Harland, 1979c, p.66–67, pl.1, fig.12) Lentin and Williams, 1981, p.14.  Holotype: Harland, 1979c, pl.1, fig.12.  Originally Wetzeliella subgenus Apectodinium, subsequently (and now) Apectodinium, thirdly Krutzschidinium (combination not validly published).  Strauss (1991a, p.57) considered this species to be the possible senior synonym of Krutzschidinium spinosum.  Age: late Paleocene.

Parent: Apectodinium