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1,084 results for “substrate”
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.
FIGURES 266–272. Figs. 266–272. Epithemia guettingeri. Figs. 266–267. SEM external valve view. Figs. 268–270. SEM internal valve view. Fig. 271 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 266–272. Figs. 266–272. Epithemia guettingeri. Figs. 266–267. SEM external valve view. Figs. 268–270. SEM internal valve view. Fig. 271. LM valve view. Fig. 272. SEM detail of septa. Scale bar = 1μm.
FIGURES 245–257. Figs. 245–246. Psammodictyon panduriforme var. panduriforme. Fig. 245. SEM valve view and cingular bands. Fig. 246 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 245–257. Figs. 245–246. Psammodictyon panduriforme var. panduriforme. Fig. 245. SEM valve view and cingular bands. Fig. 246. LM valve view. Fig. 247. P. rudum. Fig. 248. P. panduriforme var. continuum. Fig. 249. P. cf. panduriforme var. panduriforme. Fig. 250. Nitzschia amabilis. Figs. 251. N. panduriforme var. minor. Fig. 252. Tryblionella coarctata. Figs. 253–256. Nitzschia panduriformis var. continua. Fig. 253. SEM valve view. Figs.254–256 LM valve view. Fig. 257. Nitzschia persuadens. Scale bar: figs. 248–250, 253–257 = 1 μm, figs. 245–247, 251, 252 = 10 μm.
FIGURES 235–244. Fig. 235. Amphora ostrearia var. vitrea. Fig. 236. A. abludens. Fig. 237. A. ocellata. Fig. 238. A. cingulata. Fig. 239. Halamphora coffeaeformis. Fig. 240. H. cymbifera. Fig. 241. Amphora proteus. Fig. 242 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 235–244. Fig. 235. Amphora ostrearia var. vitrea. Fig. 236. A. abludens. Fig. 237. A. ocellata. Fig. 238. A. cingulata. Fig. 239. Halamphora coffeaeformis. Fig. 240. H. cymbifera. Fig. 241. Amphora proteus. Fig. 242. Amphora sp.15. Figs. 243–244. Auricula intermedia. Scale bar: figs. 242 = 1 μm, figs. 235–241,243 = 10 μm.
FIGURES 220–234. Fig. 220 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 220–234. Fig. 220. Amphora sp. 6. Fig. 221. Amphora sp. 7. Fig. 222. Amphora proteus. Fig. 223. Amphora sp. 8. Fig. 224. Amphora sp. 9. Fig. 225. Amphora sp. 10. Fig. 226. Amphora sp. 11. Fig. 227. Amphora sp. 12. Fig. 228. Amphora sp. 13. Fig. 229. Amphora kolbei. Fig. 230. Amphora thumensis. Figs. 231–233. Seminavis gracilenta. Fig. 234. Amphora clevei. Scale bar: figs. 221–232, 233–234 = 1 μm, figs. 220, 231–233 = 10 μm.
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.
FIGURES 71–80. Figs. 71–73. Delphineis surirella. Fig. 71 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 71–80. Figs. 71–73. Delphineis surirella. Fig. 71. LM valve view. Figs. 72–73. SEM valve view. Figs. 74–78. D. minutissima. Figs. 74–76. SEM valve view. Fig. 77. LM valve view. Fig. 78. SEM frustule in girdle view. Fig. 79. Microtabella interrupta, SEM frustule in girdle view. Fig. 80. Pseudostaurosira sp.? SEM valve view. Scale bar: figs. 73–78, 80 = 1 μm, figs. 71, 72, 79 = 10 μm.
FIGURES 211–219. Figs. 211–213, 215–216. Amphora bigibba var. bigibba. Fig. 214. Halamphora luciae. Fig. 217 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 211–219. Figs. 211–213, 215–216. Amphora bigibba var. bigibba. Fig. 214. Halamphora luciae. Fig. 217. Amphora sp. 6. Fig. 218. Amphora sp. 7. Fig. 219. Amphora sp. 8. Scale bar = 1 μm.
FIGURES 189–201. Fig. 189. Lyrella clavata. Figs. 190–192. L. barbara. Figs. 193–194. Navicula longa. Fig. 195. N. duerrenbergiana. Fig.196. N. zostereti. Fig. 197. N. feuerbornii. Fig. 198. N. pargemina. Figs. 199–201. N. lusoria. Fig. 199. SEM internal valve view. Fig. 200. SEM external valve view. Fig. 201 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 189–201. Fig. 189. Lyrella clavata. Figs. 190–192. L. barbara. Figs. 193–194. Navicula longa. Fig. 195. N. duerrenbergiana. Fig.196. N. zostereti. Fig. 197. N. feuerbornii. Fig. 198. N. pargemina. Figs. 199–201. N. lusoria. Fig. 199. SEM internal valve view. Fig. 200. SEM external valve view. Fig. 201. LM valve view. Scale bar: figs. 199 = 1 μm, figs. 189–198, 201= 10 μm.
FIGURES 177–182. Figs. 177–178. Lyrella lyra. Fig. 177 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 177–182. Figs. 177–178. Lyrella lyra. Fig. 177. LM valve view. Fig. 178. SEM valve view. Fig. 179. L. approximata. Figs. 180–181. L. exsul. Fig. 4. LM valve view. Fig. 5. SEM valve and internal view. Fig. 182. Navicula clavata var. distenta. Scale bar = 10 μm.
FIGURES 109–122. Figs. 109, 111. Diploneis vacillans. Fig.110. D. littoralis var. clathrata. Figs. 109, 111 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 109–122. Figs. 109, 111. Diploneis vacillans. Fig.110. D. littoralis var. clathrata. Figs. 109, 111. LM raphe valve. Fig. 110. SEM internal view. Fig. 112. Fallacia floriniae. Figs. 113–115. F. forcipata. Fig. 113. SEM valve view. Fig. 114. LM valve view. Fig. 115. SEM internal view. Figs. 116–119. Trachyneis aspera. Fig. 120. Dictyoneis marginata f. elongata. Fig. 121. Oestrupia zanardiniana. Fig. 122. Biremis ambigua. Scale bar: figs. 112, 113, 115 = 1 μm, figs. 109–111, 114, 116–122 = 10 μm.
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.
FIGURES 57–70. Figs. 57–58. Rhabdonema adriaticum. Fig. 57 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 57–70. Figs. 57–58. Rhabdonema adriaticum. Fig. 57. LM valve view. Fig. 58. LM frustule in girdle view. Fig. 59. Auliscus sculptus. Fig. 60. Staurosirella martyi. Fig. 61. Opephora burchardtiae. Fig. 62. Thalassionema nitzschioides. Figs. 63–65. Licmophora paradoxa. Figs. 66–67. Licmophora sp. Fig. 63. SEM whole view. Figs. 64, 66. SEM valve in girdle view. Fig. 65. SEM valve view. Fig. 67. LM valve view. Figs. 68–69. Cymatosira lorenziana. Fig. 68. LM valve view. Fig. 69. SEM whole view. Fig. 70. Nanofrustulum shiloi. Scale bar: figs. 60–65, 68, 70 = 1 μm, figs. 57, 59, 66, 67, 69 = 10 μm.
FIGURES 27–32. Figs. 27–28. Biddulphia spinosa, Fig. 27 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 27–32. Figs. 27–28. Biddulphia spinosa, Fig. 27. LM external valve view. Fig. 28. SEM external view showing the valve and cingulum, spines, granules and external tube of labiate process. Fig. 28a. Detail of a corner showing an elevation with ocellus. Fig. 29. Triceratium balearicum. Fig. 30. Biddulphia spinosa. Figs. 31–32. Triceratium favus. Scale bar: fig. 28a = 1 μm, figs. 28–31 = 10 μm.
FIGURES 33–37. Figs. 33–37. Triceratium favus. Fig. 33. SEM external valve view. Fig. 34 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 33–37. Figs. 33–37. Triceratium favus. Fig. 33. SEM external valve view. Fig. 34. SEM external view showing the valve and cingulum and spines. Figs. 35–36. LM external valve view in different foci. Fig. 37. Corner showing labiate processes (arrow) at the base of elevation with ocellus. Scale bar: = 10 μm.
FIGURES 9–15. Figs. 9–10. Biddulphia tridens, Fig. 9 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 9–15. Figs. 9–10. Biddulphia tridens, Fig. 9. SEM of whole frustule in girdle view. A pseudocellus is present at each elevated apex. Fig. 9a. Details of areolae of the girdle band. Fig. 9b. Details of striation of the girdle band. Fig. 9c. Several spines project from the elevations. Fig. 10. LM view of external valve face. Figs. 11–12. Odontella aurita. Fig. 11. SEM of whole frustule in girdle view. Fig. 12. LM in girdle view. Fig. 13. Biddulphia biddulphiana, Figs. 14–15. Eunotogramma laeve. Fig. 14. SEM view of internal valve face. Scale bar: fig. 9, 11, 14 = 1μm, figs. 10, 12, 13, 15 = 10 μm.
FIGURES 21–26. Figs. 21. Thalassiosira nanolineata, Fig. 21. SEM external valve view. Fig. 21a in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 21–26. Figs. 21. Thalassiosira nanolineata, Fig. 21. SEM external valve view. Fig. 21a. External opening of two central strutted processes. Fig. 21b. External tube of marginal strutted processes. Figs. 22–25. Psammodiscus nitidus, Fig. 22. SEM internal valve view, note small pore (arrow). Fig. 23. LM external valve view. Fig. 24. SEM external valve view. Fig. 24a. Details of areolae occluded by plated rotae with 2–3 spokes. Fig. 25. LM external valve view. Fig. 26. Thalassiosira eccentrica. Scale bar: figs. 21, 22, 24 = 1 μm, figs. 23, 55, 26 = 10 μm.
FIGURES 133–141. Fig. 133. Mastogloia crucicula var. alternans. Fig. 133. SEM internal valve view. Fig. 133a in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 133–141. Fig. 133. Mastogloia crucicula var. alternans. Fig. 133. SEM internal valve view. Fig. 133a. SEM detail of partecta. Fig. 134. Cymatoneis cf. margarita. Figs. 135–138. M. crucicula var. crucicula. Fig. 135. LM valve view. Figs. 136–138. SEM internal view. Fig. 139. M. ovulum. Figs. 140–141. M. pseudolatecostata. Scale bar: figs. 133, 134, 136, 138 = 1 μm, figs. 135, 139, 140 = 10 μm.
FIGURES 2–8. Figs. 2–3. Actinoptychus aster. Fig. 2 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 2–8. Figs. 2–3. Actinoptychus aster. Fig. 2. SEM view of external valve face. Fig. 3. LM in valve view. The arrows indicate the external tube of labiate process. Figs. 4–5. A. senarius. Fig. 4. SEM view of internal valve face. Fig. 5. LM in valve view. The arrows indicate the external tube of labiate process. Fig. 6. Podosira stelligera. Fig. 7. Ehrenbergiulva granulosa. Fig. 8. Hyalodiscus laevis. Scale bar = 10 μm.
FIGURES 16–20. Figs. 16–18. Paralia sulcata var. coronata, Fig. 16 in Diatoms (Bacillariophyta) From Artificial Substrates And Sediments In The Caribbean Sea Off Yucatan, Mexico
FIGURES 16–20. Figs. 16–18. Paralia sulcata var. coronata, Fig. 16. LM view of external valve face. Fig. 17. SEM view of external valve face. Fig. 18. SEM of whole frustule in girdle view. Figs. 19–20. P. fenestrata, Fig. 19. LM view of external valve face. Fig. 20. SEM of whole frustule in girdle view. Scale bar: figs. 17, 19 = 1 μm, figs. 16, 18, 20 = 10 μm.
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