Oligosphaeridium nannus

"nannus" Davey, 1974, p.59, pl.4, figs.9–10.  Emendations: Duxbury, 1977, p.31; Khowaja-Ateequzzaman et al., 1985, p.98,100, both as Discorsia nannus.  Holotype: Davey, 1974, pl.4, fig.9; Fensome et al., 1995, fig.1 — p.1619; Fauconnier and Masure, 2004, pl.22, fig.1.  NOW Discorsia.  Originally Oligosphaeridium, subsequently (and now) Discorsia.  N.I.A.  Age: early Barremian.

Parent: Oligosphaeridium