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Hystrichosphaeridium breviatum

"Hystrichosphaeridium? breviatum" Morgenroth, 1966a, p.29, pl.7, figs.11-12.

TYPE: Holotype: Morgenroth, 1966a, pl.7, figs.11-12.

HISTORY: Questionable assignment: Stover and Evitt (1978, p.56).

SYNONYM(S): Taxonomic senior synonym (at subspecific rank): Hystrichosphaeridium zoharyi subsp. ktana (as Polysphaeridium subtile subsp. ktana), according to Islam (1983b, p.343).

AGE: Early Eocene.


Infraspecific taxa:


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