“…This taxon was men tioned to form acmes just above the Cre taceous/Paleogene bound ary in Gubbio, south ern Spain, and in the equa to rial At lan tic Kaminski, 1996, Kuhnt et al, 1998) in the Paleocene de pos its from the Cen tral North Sea basin and Lab ra dor Shelf (Gradstein et al, 1994). This al most monospecific as sem blage has been re ported from Late Eocene de pos its from At lan tic and west ern Tethyan re gions (Kaminski et al, 1989;Kaminski, 2005).…”