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Exochosphaeridium bifidum var. involutum

"Exochosphaeridium bifidum var. involutum" Davey, 1969c, p.29, pl.2, figs.1-3.

EMENDATION: Marheinecke, 1992, p.52, as Exochosphaeridium bifidum subsp. involutum.

TYPE: Holotype: Davey, 1969c, pl.2, fig.3.

HISTORY: NOW: Exochosphaeridium bifidum subsp. involutum. Originally Exochosphaeridium bifidum var. involutum, subsequently (and now) Exochosphaeridium bifidum subsp. involutum.

AGE: Campanian-Maastrichtian.


Infraspecific taxa:


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DINOFLAJ (c) 1998