FIGURES 273–287. Fig. 273 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico

FIGURES 273–287. Fig. 273. Protokeelia sp.? Figs. 274–275. Nitzschia angularis var. affinis. Fig. 276. Nitzschia sp. 1. Fig. 277. Nitzschia sp. 2. Fig. 278. Nitzschia sp. 3. Fig. 279. Nitzschia sp. 4. Fig. 280. Nitzschia sp. 5. Fig. 281. Nitzschia sp. 6. Fig. 282. Nitzschia sp. 7. Fig. 283. Tropidoneis pusilla. Fig. 284. Amphiprora pseudoduplex. Fig. 285. Entomoneis paludosa var. duplex. Fig. 286. Nitzschia sigma. Fig. 287. N. longissima f. parva. Scale bar: figs. 273–283, 285–286 = 1 μm, figs. 284, 287 = 10 μm.