Oligosphaeridium dictyostilum

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"?dictyostilum" (Menéndez, 1965, p.11,12, pl.2, fig.6; pl.3, figs.18-22) Eisenack and Kjellström, 1972, p.845. Emendation: Sarjeant, 1981, p.115, as Areosphaeridium dictyostilum. Holotype: Menéndez, 1965, pl.2, fig.6; pl.3, figs.18-20. NOW Enneadocysta?. Originally Hystrichosphaeridium, subsequently Oligosphaeridium?, thirdly Areosphaeridium, fourthly (and now) Enneadocysta?. Questionable assignment: Eisenack and Kjellström (1972, p.845). Taxonomic senior synonym: Hystrichosphaeridium (as Areosphaeridium) diktyoplokum, according to Eaton (1971, p.359) - however, Sarjeant (1981, p.115-116) retained Hystrichosphaeridium (as Areosphaeridium, now Enneadocysta?) dictyostilum. Taxonomic junior synonyms: Areosphaeridium (now Enneadocysta) arcuatum, according to Sarjeant (1981, p.115-116) - however, Lentin and Williams (1985, p.26) retained Areosphaeridium (now Enneadocysta) arcuatum; Cordosphaeridium (as Areosphaeridium, now Cooksonidium) capricornum, according to Sarjeant (1981, p.115-116) - however, Lentin and Williams (1985, p.26) retained Areosphaeridium (now Cooksonidium) capricornum. Age: Tertiary.

Parent: Oligosphaeridium

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