Adnatosphaeridium aemulum subsp. integrum

"subsp. integrum" (Cookson and Eisenack, 1958, p.47, pl.7, figs.6–7) Eisenack and Kjellström, 1972, p.45.  Holotype: Cookson and Eisenack, 1958, pl.7, fig.6; Fensome et al., 1995, fig.1 — p.1565; Fauconnier and Masure, 2004, pl.68, figs.8–9.  NOW Rigaudella aemula subsp. integra.  Originally Cannosphaeropsis aemula subsp. integra, subsequently Adnatosphaeridium aemulum subsp. integrum, thirdly (and now) Rigaudella aemula subsp. integra.  Age: Late Jurassic.

Parent: Adnatosphaeridium aemulum