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Spinidinium balmei

Spinidinium balmei (Cookson and Eisenack, 1962b, p.486) Ioannides, 1986, p.35.

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

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

HISTORY: 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: Diconodinium minutum, according to Morgan (1977, p.130) - however, Lentin and Williams (1981, p.156) retained Deflandrea (as Isabelidinium, now Spinidinium.

COMMENTS: Deflandrea balmei is the substitute name for Deflandrea minor Cookson and Eisenack, 1960a, p.2, pl.1, figs.1-4 (an illegitimate name).

AGE: Turonian-mid Senonian.


Infraspecific taxa:


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