Sphaerodinella 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. 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: Mid Eocene.
Parent: Sphaerodinella tuberosa