Alterbia balmei

"balmei" (Cookson and Eisenack, 1962b, p.486) Lentin and Williams, 1976, p.48.  Emendation: Morgan, 1977, p.130, as Alterbia balmei.  Holotype: Cookson and Eisenack, 1960a, pl.1, fig.1; Morgan, 1977, text-fig.1.  Combination illegitimate: the generic name Alterbia is illegitimate.  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.  Taxonomic senior synonym: Palaeohystrichophora (now Diconodinium) minuta, according to Morgan (1977, p.130) - however, Lentin and Williams (1981, p.156) retained Alterbia (as Isabelidinium) balmei. Age: Turonian-Mid Senonian.

Parent: Alterbia