MERINO, V., J. GARCÍA, M. HERNÁNDEZ-MARINÉ, & M. FERNÁNDEZ 1994 ('Nov.' postmarked 20 Jan. 1995) Morphology and ultrastructure of Gomphoneis rhombica (Fricke) comb. nov. Diatom Res. 9(2): 335-347, 46 figs., 1 table [transfer of Gomphonema rhombicum; from Andorra]