Magallanesium asymmetricum
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"asymmetricum" (Wilson, 1967a, p.62-63, figs.17-21) Quattrocchio and Sarjeant, 2003, p.140. Holotype: Wilson, 1967a, figs.19-21. NOW Alterbidinium. Originally Deflandrea, subsequently Alterbia (combination illegitimate), thirdly Senegalinium?, fourthly (and now) Alterbidinium, fifthly Magallanesium. Age: ?Eocene (erratic).
Parent: Magallanesium