Palaeohystrichophora isodiametrica

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"isodiametrica" Cookson and Eisenack, 1958, p.38, pl.12, figs.11-12.  Holotype: Cookson and Eisenack, 1958, pl.12, figs.11-12.  NOW Hystrichodinium.  Originally Palaeohystrichophora, subsequently (and now) Hystrichodinium.  Age: Campanian-Early Maastrichtian.

Parent: Palaeohystrichophora