Difference between revisions of "Impletosphaeridium conicosum"

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Revision as of 13:43, 2 December 2016

"conicosum" (Jiabo, 1978, p.57, pl.29, figs.4-5) Chen et al., 1988, p.7.  Holotype: Jiabo, 1978, pl.29, fig.4.  NOW Palaeohystrichodinium.  Originally Bipolaribucina, subsequently Impletosphaeridium, thirdly (and now) Palaeohystrichodinium.  Age: early Tertiary.

Parent: Impletosphaeridium