FIGURES 142–149. Fig. 142. Mastogloia chersonensis. Fig. 143. M. cuneata, SEM internal valve view. Figs. 144–145. M. gibbosa. Fig. 144. SEM valve view. Fig. 145 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico

FIGURES 142–149. Fig. 142. Mastogloia chersonensis. Fig. 143. M. cuneata, SEM internal valve view. Figs. 144–145. M. gibbosa. Fig. 144. SEM valve view. Fig. 145. LM valve view. Figs. 146–149. M. corsicana. Fig. 146. LM valve view. Figs. 147–148. SEM external valve view. Fig. 149. SEM internal valve view. Scale bar: figs. 142–144, 147–149 = 1 μm, figs. 145, 146 = 10 μm.