Magallanesium balmei

balmei (Cookson and Eisenack, 1962b, p.486) Quattrocchio and Sarjeant, 2003, p.140.  Emendation: Morgan, 1977, p.130, as Alterbia minor.  Holotype: Cookson and Eisenack, 1960a, pl.1, fig.1; Morgan, 1977, text-fig.2.  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 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: Magallanesium