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Deflandrea minor

"Deflandrea minor" Cookson and Eisenack, 1960a, p.2, pl.1, figs.1-4.

EMENDATION: Morgan, 1977, p.130, as Alterbia minor.

TYPE: Holotype: Cookson and Eisenack, 1960a, pl.1, fig.1; Morgan, 1977, text-fig.2.

STATUS: Name illegitimate - senior homonym: Deflandrea minor Alberti, 1959b. Substitute name: Deflandrea balmei.

HISTORY: NOW: Spinidinium balmei. Originally Deflandrea minor (name illegitimate), subsequently Deflandrea balmei, thirdly Alterbia balmei (combination illegitimate), fourthly Isabelidinium balmei, fifthly (and now) Spinidinium balmei.

SYNONYM(S): Taxonomic senior synonym: Palaeohystrichophora (as Diconodinium) minuta, according to Morgan (1977, p.130) - however, Lentin and Williams (1981, p.156) retained Deflandrea minor (as Isabelidinium balmei).

AGE: Turonian-mid Senonian.


Infraspecific taxa:


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