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Areosphaeridium arcuatum

"Areosphaeridium arcuatum" Eaton, 1971, p.360-363, pl.3, figs.1-9; text-figs.4-5.

EMENDATION: Stover and Williams, 1995, p.109, as Enneadocysta arcuata.

TYPE: Holotype: Eaton, 1971, pl.3, fig.1; text-fig.4; Bujak et al., 1980, pl.2, fig.6.

HISTORY: NOW: Enneadoocysta. Originally Areosphaeridium, subsequently (and now) Enneadocysta.

SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (now Enneadocysta?) dictyostilum, according to Sarjeant (1981, p.115-116) - however, Lentin and Williams (1985, p.26) retained Areosphaeridium (now Enneadocysta) arcuatum.

AGE: Mid Eocene.


Infraspecific taxa:


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