Isabelidinium balmei

"balmei" (Cookson and Eisenack, 1962b, p.486) Stover and Evitt, 1978, p.109.  Emendation: Morgan, 1977, p.130, as Alterbia balmei.  Holotype: Cookson and Eisenack, 1960a, pl.1, fig.1; Morgan, 1977, text-fig.2.  NOW Magallanesium balmei.  Originally Deflandrea minor (name illegitimate), subsequently Deflandrea balmei, thirdly Alterbia balmei (combination illegitimate), fourthly Isabelidinium balmei, fifthly Spinidinium balmei, sixthly (and now) Magallanesium balmei.  Deflandrea balmei is the substitute name for Deflandrea minor Cookson and Eisenack, 1960a, p.2, pl.1, figs.1-4 (an illegitimate name).  Taxonomic senior synonym: Palaeohystrichophora (as and now Diconodinium) minuta, according to Morgan (1977, p.130) - however, Lentin and Williams (1981, p.156) retained Deflandrea (as Isabelidinium) balmei.  Age: Turonian-mid Senonian.

Parent: Isabelidinium