Pernambugia tuberosa forma elongata
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"forma elongata" (Hildebrand-Habel et al., 1999, p.83, pl.5, figs.5–7; text-fig.6A–B) Fensome and Williams, 2004, p. 516. Holotype: Hildebrand-Habel et al., 1999, pl.5, figs.5–6. NOW Calciodinellum elongatum. Originally Sphaerodinella? tuberosa forma elongata, subsequently Calciodinellum elongatum (combination not validly published), thirdly Pernambugia tuberosa forma elongata, fourthly (and now) Calciodinellum elongatum. Age: middle Eocene.
Parent: Pernambugia tuberosa