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Hystrichosphaeridium recurvatum var. parvum

"Hystrichosphaeridium recurvatum var. parvum" Rozen, 1965, p.303-304, pl.4, fig.6; text-fig.13.

TYPE: Holotype: Rozen, 1965, pl.4, fig.6; text-fig.13.

HISTORY: NOW: Hystrichosphaeridium recurvatum subsp. parvum. Originally Hystrichosphaeridium recurvatum var. parvum, subsequently (and now) Hystrichosphaeridium recurvatum subsp. parvum, thirdly Hystrichosphaeridium palmatum subsp. parvum (combination illegitimate), fourthly Hystrichosphaeridium duplum subsp. parvum (combination illegitimate).

AGE: Late Eocene.


Infraspecific taxa:


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