Tectatodinium nudum

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"?nudum" (Nagy, 1969, p.291, pl.1, fig.1) Lentin and Williams, 1977b, p.161.  Holotype: Nagy, 1969, pl.1, fig.1.  NOW Pyxidinopsis? nuda.  Originally Palaeoperidinium nudum Nagy, subsequently Palaeoperidinium pannonium (name illegitimate), thirdly Phthanoperidinium pannonium (name illegitimate), fourthly Gonyaulacysta? nuda, fifthly Tectatodinium? nudum, sixthly Tectatodinium? pannonium (name illegitimate), seventhly Pyxidinopsis? pannonia (name illegitimate), eighthly (and now) Pyxidinopsis? nuda.  Questionable assignment: Lentin and Williams (1977b, p.161).  Nomenclatural junior synonym: Palaeoperidinium (subsequently Phthanoperidinium, Tectatodinium and Pyxidinopsis?) pannonium, which has the same holotype.  See also the discussion under Pyxidinopsis? nuda.  Age: Late Miocene.

Parent: Tectatodinium