Heterosphaeridium araneosum

"araneosum" (Brideaux, 1977, p.22-23, pl.9, figs.1-3) Islam, 1993, p.84.  Holotype: Brideaux, 1977, pl.9, figs.1-3.  NOW Circulodinium?.  Originally Cleistosphaeridium, subsequently Heterosphaeridium, thirdly (and now) Circulodinium?.  Islam (1993, p.84) cited the basionym as Hystrichosphaeridium araneosum.  Age: Aptian-Albian.

Parent: Heterosphaeridium