Difference between revisions of "Keuppisphaera minuta"

Revision as of 13:44, 2 December 2016

"minuta" (Keupp, 1987, p.40-41, pl.6, figs.1-7; text-fig.2a) Keupp and Kowalski, 1992, p.215.  Holotype: Keupp, 1987, pl.6, figs.5-6.  Combination not validly published: basionym not fully referenced.  NOW Calcigonellum?.  Originally Calcigonellum, subsequently Keuppisphaera (combination not validly published), thirdly (and now) ?Calcigonellum.  Age: Mid Albian-Early Cenomanian.