Alterbidinium asymmetricum

asymmetricum (Wilson, 1967a, p.62–63, figs.17–21) Levy and Harwood, 2000, p.202.  Holotype: Wilson, 1967a, figs.19–21.  Originally Deflandrea, subsequently Alterbia (combination illegitimate), thirdly Senegalinium?, fourthly (and now) Alterbidinium, fifthly Magallanesium. Sluijs et al. (2009, p.50) also proposed the transfer of this species to Alterbidinium, thereby retaining it in the genus.  Age: ?Eocene (erratic).

Parent: Alterbidinium