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Hystrichosphaeridium diktyoplokum

"Hystrichosphaeridium diktyoplokum" Klumpp, 1953, p.392, pl.18, figs.3-7 (not pl.18, figs.8-10, which are now Cordosphaeridium latum).

EMENDATION: Eaton, 1971, p.358-359, as Areosphaeridium diktyoplokum.

TYPE: Holotype: Klumpp, 1953, pl.18, figs.3-4.

HISTORY: NOW: Areosphaeridium. Originally Hystrichosphaeridium, subsequently Cordosphaeridium, thirdly (and now) Areosphaeridium.

SYNONYM(S): Taxonomic junior synonym: Hystrichosphaeridium (now Areosphaeridium) dictyostilum, according to Eaton (1971, p.359) - however, Sarjeant (1981, p.115) retained Hystrichosphaeridium (as Areosphaeridium) dictyostilum.

AGE: Mid-Late Eocene.


Infraspecific taxa:


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