Areosphaeridium dictyostilum
"dictyostilum" (Menéndez, 1965, p.11–12, pl.2, fig.6; pl.3, figs.18–22) Sarjeant, 1981, p.115. 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?. Taxonomic senior synonym: Hystrichosphaeridium (now Areosphaeridium) diktyoplokum, according to Eaton (1971, p.359) — however, Sarjeant (1981, p.115) retained Areosphaeridium (now Enneadocysta?) dictyostilum. Taxonomic junior synonyms: Areosphaeridium (now Enneadocysta) arcuatum and Cordosphaeridium (now Cooksonidium) capricornum, both according to Sarjeant (1981, p.115–116) — however, Lentin and Williams (1985, p.26) retained Areosphaeridium (now Enneadocysta) arcuatum and Cordosphaeridium (now Cooksonidium) capricornum. Age: Tertiary.
Parent: Areosphaeridium