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Maduradinium pentagonum ssp. ovale
Maduradinium pentagonum subsp. ovale (Cookson and Eisenack, 1982, p.34, pl.1, figs.15-16) Lentin and Williams, 1985, p.230.
Holotype: Cookson and Eisenack, 1982, pl.1, fig.16.
Originally Maduradinium pentagonum var. ovale, subsequently (and now) Maduradinium pentagonum subsp. ovale. Age: Senonian
Holotype: Cookson and Eisenack, 1982, pl.1, fig.16.
Originally Maduradinium pentagonum var. ovale, subsequently (and now) Maduradinium pentagonum subsp. ovale. Age: Senonian