Oligosphaeridium nannus
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"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