FIGURES 258–265. Fig. 258. Epithemia guettingeri. Fig. 259, 261, 264. Rhopalodia gibberula. Figs. 260, 262–263. R. acuminata. Fig. 265 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico

FIGURES 258–265. Fig. 258. Epithemia guettingeri. Fig. 259, 261, 264. Rhopalodia gibberula. Figs. 260, 262–263. R. acuminata. Fig. 265. Hyalosira delicatula var. gibbosa. Scale bar: figs. 258–261, 265 = 1 μm, figs. 262–264 = 10 μm.