Eisenackia circumtabulata
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circumtabulata Drugg, 1967, p.15, pl.1, figs.12-13. Holotype: Drugg, 1967, pl.1, fig.12; Damassa, 1979b, pl.3, figs.14-16; Fensome et al., 1993a, fig.1 - p.1061. Originally (and now) Eisenackia, subsequently Hystrichokolpoma, thirdly Alisocysta, fourthly Agerasphaera (combination illegitimate). Quattrocchio and Sarjeant (2003, p.146) retained this species in Eisenackia. 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: Eisenackia