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Phthanoperidinium pannonium
Phthanoperidinium "pannonium" (Lentin and Williams, 1973, p.106) Harker and Sarjeant, 1975, p.224.
Name illegitimate — nomenclatural senior synonym: Palaeoperidinium (now Pyxidinopsis?) nudum Nagy, which has the same type.
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 Pyxidinopsis? nuda. See also the discussion under Pyxidinopsis? nuda.
Holotype: Nagy, 1969, pl.1, fig.1.
Age: late Miocene.
Name illegitimate — nomenclatural senior synonym: Palaeoperidinium (now Pyxidinopsis?) nudum Nagy, which has the same type.
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 Pyxidinopsis? nuda. See also the discussion under Pyxidinopsis? nuda.
Holotype: Nagy, 1969, pl.1, fig.1.
Age: late Miocene.