Agerasphaera circumtabulata
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"*circumtabulata" (Drugg, 1967, p.15, pl.1, figs.12-13) Harland, 1979a, p.29. Holotype: Drugg, 1967, pl.1, fig.12; Damassa, 1979b, pl.3, figs.14-16; Fensome et al., 1993a, fig.1 - p.1061. Combination illegitimate: the generic name Agerasphaera is illegitimate. NOW Alisocysta. Originally Eisenackia, subsequently Hystrichokolpoma, thirdly (and now) Alisocysta, fourthly Agerasphaera (generic name illegitimate). Taxonomic junior synonym: Hystrichokolpoma mentitum, according to Schumacker-Lambry (1978, p.42) - however, Lentin and Williams (1981, p.135) retained Hystrichokolpoma mentitum. Age: Danian.
Parent: Agerasphaera