SERIEYSSOL, Karen K., Isabel ISRADE GARDUÑO, & Françoise GASSE 1998 (Feb.) Thalassiosira dispar comb. nov. and T. cuitzeonensis spec. nov. (Bacillariophyceae) found in Miocene sediments from France and Mexico Nova Hedwigia 66(1/2): 177-186, 20 figs., 1 table |