Cooksoniella larjakiensis

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"larjakiensis" (Vozzhennikova, 1967, p.71-72, pl.16, figs.1a-b,2a-b) Harker and Sarjeant, 1975, p.224.  Holotype: Vozzhennikova, 1967, pl.16, figs.1a-b; Lentin and Vozzhennikova, 1990, text-fig.32; lost according to Lentin and Vozzhennikova (1990, p.61).  Originally Peridinium conicum var. larjakiense (Appendix B), subsequently Palaeoperidinium deflandrei subsp. larjakiense, thirdly Cooksoniella larjakiensis, fourthly Palaeoperidinium larjakienseTaxonomic senior synonym: Peridinium (now Palaeoperidinium) pyrophorum, according to Lentin and Vozzhennikova (1990, p.61).  Age: Paleocene.

Parent: Cooksoniella