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Diconodinium minutum
Diconodinium minutum (Deflandre and Cookson, 1955) Deflandre and Deflandre-Rigaud, 1966
Originally Palaeohystrichophora, subsequently (and now) Diconodinium.
Taxonomic junior synonym: Deflandrea (as Alterbia; now Isabelidinium) balmei, according to Morgan (1977, p.130) - however, Lentin and Williams (1981, p.156) retained Deflandrea (as Isabelidinium) balmei.
Holotype: Deflandre and Cookson, 1955, text-fig.4
Age: Santonian
Originally Palaeohystrichophora, subsequently (and now) Diconodinium.
Taxonomic junior synonym: Deflandrea (as Alterbia; now Isabelidinium) balmei, according to Morgan (1977, p.130) - however, Lentin and Williams (1981, p.156) retained Deflandrea (as Isabelidinium) balmei.
Holotype: Deflandre and Cookson, 1955, text-fig.4
Age: Santonian