Difference between revisions of "Alterbia asymmetrica"

Revision as of 13:15, 2 December 2016

"asymmetrica" (Wilson, 1967a, p.62-63, figs.17-21) Lentin and Williams, 1976, p.48.  Holotype: Wilson, 1967a, figs.19-21.  Combination illegitimate: the generic name Alterbia is illegitimate.  NOW Alterbidinium.  Originally Deflandrea, subsequently Alterbia (combination illegitimate), thirdly Senegalinium?, fourthly (and now) Alterbidinium, fifthly Magallanesium. Age: ?Eocene (erratic).