Alterbia ectorugosa

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"ectorugosa" (Archangelsky, 1969b, p.192, pl.1, figs.5–7) Lentin and Williams, 1976, p.49.  Holotype: Archangelsky, 1969b, pl.1, figs.5–6.  Combination illegitimate: the generic name Alterbia is illegitimate.  NOW Senegalinium.  Originally Deflandrea, subsequently Alterbia (combination illegitimate), thirdly (and now) Senegalinium.  Age: Eocene.

Parent: Alterbia