Muderongia simplex subsp. microperforata
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subsp. microperforata Davey, 1982b, p.30, pl.9, figs.4-6. Emendation: Monteil, 1991b, p.474, as Muderongia microperforata. Holotype: Davey, 1982b, pl.9, figs.4-5; Monteil, 1991b, pl.2, fig.10. Originally (and now) Muderongia simplex subsp. microperforata, subsequently Muderongia microperforata. Poulsen (1996, p.59) retained this taxon as a subspecies of Muderongia simplex. Age: Late Ryazanian-Early Valanginian. Parent: Muderongia simplex
