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Hystrichosphaeridium diktyoplokum subsp. latum

"Hystrichosphaeridium diktyoplokum subsp. latum" Klumpp, 1953, p.392, pl.18, figs.8-10.

EMENDATION: Sarjeant, 1981, p.106-107, as Plethysyrinx lata - however, see Lentin and Williams (1985, p.72).

TYPE: Holotype: Klumpp, 1953, pl.18, figs.8-9.

HISTORY: NOW: Cordosphaeridium latum. Originally Hystrichosphaeridium diktyoplokum subsp. latum, subsequently Cordosphaeridium diktyoplokum subsp. latum, thirdly Areosphaeridium diktyoplokum subsp. latum, fourthly Plethysyrinx lata, fifthly (and now) Cordosphaeridium latum.

AGE: Eocene.


Infraspecific taxa:


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