taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03AC87D2B85EFFC800FDFBAE23F5DA9D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894398/files/figure.png	http://doi.org/10.5281/zenodo.4894398	FIGURES 1–24. LM micrographs. Figs 1–9. Odontidium minutum. Figs 10–17. Staurosirella pulchella. Figs 18–24. Navicula subviridula. Scale bar = 10 µm.	FIGURES 1–24. LM micrographs. Figs 1–9. Odontidium minutum. Figs 10–17. Staurosirella pulchella. Figs 18–24. Navicula subviridula. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B85EFFC800FDFBAE23F5DA9D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894400/files/figure.png	http://doi.org/10.5281/zenodo.4894400	FIGURES 25–30: SEM micrographs of Odontidium minutum (type material). Figs 25, 26. SEM external view of frustule and girdle bands. Fig. 27. SEM external valve view. Broad lanceolate sternum, apical pore fields (APF) on the valve apices and a single rimoportula present. Fig. 28. Detail of the valve end showing APF and external opening of rimoportula. Fig. 29. Internal valve view. Fig. 30. Detail of valve end showing internal opening of rimoportula, striae and APF. Scale bars in Figs 25, 27, 29 = 5 µm, Fig. 26 = 10 µm; Figs 28, 30 = 2 µm.	FIGURES 25–30: SEM micrographs of Odontidium minutum (type material). Figs 25, 26. SEM external view of frustule and girdle bands. Fig. 27. SEM external valve view. Broad lanceolate sternum, apical pore fields (APF) on the valve apices and a single rimoportula present. Fig. 28. Detail of the valve end showing APF and external opening of rimoportula. Fig. 29. Internal valve view. Fig. 30. Detail of valve end showing internal opening of rimoportula, striae and APF. Scale bars in Figs 25, 27, 29 = 5 µm, Fig. 26 = 10 µm; Figs 28, 30 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B85CFFCF00FDF9472240D89A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894398/files/figure.png	http://doi.org/10.5281/zenodo.4894398	FIGURES 1–24. LM micrographs. Figs 1–9. Odontidium minutum. Figs 10–17. Staurosirella pulchella. Figs 18–24. Navicula subviridula. Scale bar = 10 µm.	FIGURES 1–24. LM micrographs. Figs 1–9. Odontidium minutum. Figs 10–17. Staurosirella pulchella. Figs 18–24. Navicula subviridula. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B85CFFCF00FDF9472240D89A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894404/files/figure.png	http://doi.org/10.5281/zenodo.4894404	FIGURES 40–45: SEM micrographs of Staurosirella pulchella and S. lata. Figs 40, 41. Staurosirella puchella. Fig. 40. SEM external valve view. Fig. 41. Detail of the valve apex showing the striae structure and APF. Figs 42–45. Staurosirella lata. Figs 42, 44. external view of frustule and girdle bands. Fig. 43. Detail of valve apex showing the striae structure and APF. Fig. 45. Internal view of valve apex showing areolae occlusions and APF. Scale bars in Figs 40, 42, 45 = 5 µm, Fig. 44 = 10 µm; Figs 41, 43 = 2 µm.	FIGURES 40–45: SEM micrographs of Staurosirella pulchella and S. lata. Figs 40, 41. Staurosirella puchella. Fig. 40. SEM external valve view. Fig. 41. Detail of the valve apex showing the striae structure and APF. Figs 42–45. Staurosirella lata. Figs 42, 44. external view of frustule and girdle bands. Fig. 43. Detail of valve apex showing the striae structure and APF. Fig. 45. Internal view of valve apex showing areolae occlusions and APF. Scale bars in Figs 40, 42, 45 = 5 µm, Fig. 44 = 10 µm; Figs 41, 43 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B85BFFCC00FDFB792357DCB1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894402/files/figure.png	http://doi.org/10.5281/zenodo.4894402	FIGURES 31–39: LM micrographs of Staurosirella lata (type material). Scale bar = 10 µm.	FIGURES 31–39: LM micrographs of Staurosirella lata (type material). Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B85BFFCC00FDFB792357DCB1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894404/files/figure.png	http://doi.org/10.5281/zenodo.4894404	FIGURES 40–45: SEM micrographs of Staurosirella pulchella and S. lata. Figs 40, 41. Staurosirella puchella. Fig. 40. SEM external valve view. Fig. 41. Detail of the valve apex showing the striae structure and APF. Figs 42–45. Staurosirella lata. Figs 42, 44. external view of frustule and girdle bands. Fig. 43. Detail of valve apex showing the striae structure and APF. Fig. 45. Internal view of valve apex showing areolae occlusions and APF. Scale bars in Figs 40, 42, 45 = 5 µm, Fig. 44 = 10 µm; Figs 41, 43 = 2 µm.	FIGURES 40–45: SEM micrographs of Staurosirella pulchella and S. lata. Figs 40, 41. Staurosirella puchella. Fig. 40. SEM external valve view. Fig. 41. Detail of the valve apex showing the striae structure and APF. Figs 42–45. Staurosirella lata. Figs 42, 44. external view of frustule and girdle bands. Fig. 43. Detail of valve apex showing the striae structure and APF. Fig. 45. Internal view of valve apex showing areolae occlusions and APF. Scale bars in Figs 40, 42, 45 = 5 µm, Fig. 44 = 10 µm; Figs 41, 43 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B858FFC300FDFF632311DA42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894408/files/figure.png	http://doi.org/10.5281/zenodo.4894408	FIGURES 46–63: LM and SEM micrographs of Fragilaria micra (type material). Figs 46–58. Diminution series of Fragilaria micra. Figs 59, 60. SEM external valve view. Fig. 61. SEM internal valve view. Internal foramina appear longer than external. Fig. 62. SEM external valve view. Detail of valve end showing small, indistinct opening of rimoportula. External opening simple, slightly larger than adjacent areolae. Fig. 63. SEM internal valve view. Detail of valve end showing internal opening of rimoportula. Scale bars: LM = 10 µm, SEM in Figs 59–61 = 5 µm, Figs 62, 63 = 1 µm.	FIGURES 46–63: LM and SEM micrographs of Fragilaria micra (type material). Figs 46–58. Diminution series of Fragilaria micra. Figs 59, 60. SEM external valve view. Fig. 61. SEM internal valve view. Internal foramina appear longer than external. Fig. 62. SEM external valve view. Detail of valve end showing small, indistinct opening of rimoportula. External opening simple, slightly larger than adjacent areolae. Fig. 63. SEM internal valve view. Detail of valve end showing internal opening of rimoportula. Scale bars: LM = 10 µm, SEM in Figs 59–61 = 5 µm, Figs 62, 63 = 1 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B857FFC100FDF9F72292D8EC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894398/files/figure.png	http://doi.org/10.5281/zenodo.4894398	FIGURES 1–24. LM micrographs. Figs 1–9. Odontidium minutum. Figs 10–17. Staurosirella pulchella. Figs 18–24. Navicula subviridula. Scale bar = 10 µm.	FIGURES 1–24. LM micrographs. Figs 1–9. Odontidium minutum. Figs 10–17. Staurosirella pulchella. Figs 18–24. Navicula subviridula. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B857FFC100FDF9F72292D8EC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894410/files/figure.png	http://doi.org/10.5281/zenodo.4894410	FIGURES 64–68: LM and SEM micrographs of Navicula subviridula. Fig. 64. SEM external valve view. Fig. 65. Detail of mid-valve showing external openings of areolae (lineolae) and proximal raphe ending. Fig. 66. Internal valve view. Fig. 67. Detail of mid–valve showing raphe sternum and internal openings of areolae. Fig. 68. LM micrograph of holotype specimen. Scale bars: LM = 10 µm, SEM in Figs 64, 66 = 20 µm, Figs 65, 67 = 5 µm.	FIGURES 64–68: LM and SEM micrographs of Navicula subviridula. Fig. 64. SEM external valve view. Fig. 65. Detail of mid-valve showing external openings of areolae (lineolae) and proximal raphe ending. Fig. 66. Internal valve view. Fig. 67. Detail of mid–valve showing raphe sternum and internal openings of areolae. Fig. 68. LM micrograph of holotype specimen. Scale bars: LM = 10 µm, SEM in Figs 64, 66 = 20 µm, Figs 65, 67 = 5 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B855FFC600FDFA8F21EFDF46.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894414/files/figure.png	http://doi.org/10.5281/zenodo.4894414	FIGURES 69–82: LM micrographs of Prestauroneis tumida. Figs 73, 74. LM of live cell with two chloroplasts. Scale bar = 10 µm.	FIGURES 69–82: LM micrographs of Prestauroneis tumida. Figs 73, 74. LM of live cell with two chloroplasts. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B855FFC600FDFA8F21EFDF46.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894416/files/figure.png	http://doi.org/10.5281/zenodo.4894416	FIGURES 83–89: SEM micrographs of Prestauroneis tumida. Figs 83–85. External view of whole valves. Fig. 86. Detail of mid-valve showing external foramina and proximal raphe ends. Fig. 87. Detail of valve end showing distal raphe ending. Fig. 88. SEM internal valve view. Fig. 89. Detail of mid-valve showing internal openings of areolae and proximal raphe endings. Scale bars in Fig. 83 = 5 µm; Figs 84, 85, 88 = 10 µm; Figs 86, 77, 89 = 2 µm.	FIGURES 83–89: SEM micrographs of Prestauroneis tumida. Figs 83–85. External view of whole valves. Fig. 86. Detail of mid-valve showing external foramina and proximal raphe ends. Fig. 87. Detail of valve end showing distal raphe ending. Fig. 88. SEM internal valve view. Fig. 89. Detail of mid-valve showing internal openings of areolae and proximal raphe endings. Scale bars in Fig. 83 = 5 µm; Figs 84, 85, 88 = 10 µm; Figs 86, 77, 89 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B852FFC400FDFBB320CDDF19.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894418/files/figure.png	http://doi.org/10.5281/zenodo.4894418	FIGURES 90–107: LM micrographs. Figs 90, 91. Placoneis clementis. Figs 92–95. Placoneis pseudabundans. Fig. 96. Placoneis juriljii. Figs 97–107. Placoneis subelegans. Scale bar = 10 µm. Figs 90, 91, fossil deposit Köpecz, Romania, Figs 92–107. Lake Ohrid, recent.	FIGURES 90–107: LM micrographs. Figs 90, 91. Placoneis clementis. Figs 92–95. Placoneis pseudabundans. Fig. 96. Placoneis juriljii. Figs 97–107. Placoneis subelegans. Scale bar = 10 µm. Figs 90, 91, fossil deposit Köpecz, Romania, Figs 92–107. Lake Ohrid, recent.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B850FFC400FDFCF623C8DBAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894418/files/figure.png	http://doi.org/10.5281/zenodo.4894418	FIGURES 90–107: LM micrographs. Figs 90, 91. Placoneis clementis. Figs 92–95. Placoneis pseudabundans. Fig. 96. Placoneis juriljii. Figs 97–107. Placoneis subelegans. Scale bar = 10 µm. Figs 90, 91, fossil deposit Köpecz, Romania, Figs 92–107. Lake Ohrid, recent.	FIGURES 90–107: LM micrographs. Figs 90, 91. Placoneis clementis. Figs 92–95. Placoneis pseudabundans. Fig. 96. Placoneis juriljii. Figs 97–107. Placoneis subelegans. Scale bar = 10 µm. Figs 90, 91, fossil deposit Köpecz, Romania, Figs 92–107. Lake Ohrid, recent.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B850FFC400FDFCF623C8DBAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894420/files/figure.png	http://doi.org/10.5281/zenodo.4894420	FIGURES 108–113: SEM micrographs of Placoneis subelegans. Fig. 108. External view of initial cell; distal raphe endings not passing on valve mantle. Fig. 109. Detail of mid-valve showing proximal raphe ends, small central area and uniseriate striae. Stigma not present. Figs 110, 111. SEM external view of whole valves. Figs 112, 113. Detail of valve ends showing distal raphe endings. Both raphe fissures symmetrical and doubly curved. Scale bars in Figs 108, 111 = 20 µm; Fig. 109 = 5 µm; Fig. 110 = 10 µm; Figs 112, 113 = 2 µm.	FIGURES 108–113: SEM micrographs of Placoneis subelegans. Fig. 108. External view of initial cell; distal raphe endings not passing on valve mantle. Fig. 109. Detail of mid-valve showing proximal raphe ends, small central area and uniseriate striae. Stigma not present. Figs 110, 111. SEM external view of whole valves. Figs 112, 113. Detail of valve ends showing distal raphe endings. Both raphe fissures symmetrical and doubly curved. Scale bars in Figs 108, 111 = 20 µm; Fig. 109 = 5 µm; Fig. 110 = 10 µm; Figs 112, 113 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B84FFFD800FDF88B23F6DD9F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894422/files/figure.png	http://doi.org/10.5281/zenodo.4894422	FIGURES 114–125: LM micrographs. Fig. 114. Cymbopleura juriljii. Figs 115–121. Cymbopleura tumida. Figs 122– 125. Cymbopleura budayana. Scale bar = 10 µm.	FIGURES 114–125: LM micrographs. Fig. 114. Cymbopleura juriljii. Figs 115–121. Cymbopleura tumida. Figs 122– 125. Cymbopleura budayana. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B84FFFD800FDF88B23F6DD9F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894424/files/figure.png	http://doi.org/10.5281/zenodo.4894424	FIGURES 126–130: SEM micrographs of Cymbopleura tumida. Fig. 126. External valve view. Fig. 127. Detail of midvalve showing central area, with teardrop–shaped central pores. Fig. 128. Detail of valve end, showing distal raphe fissure and uniseriate striae. Fig. 129. Internal valve view. Fig. 130. Detail of mid-valve showing central nodule. Scale bars in Figs 126, 129 = 20 µm; Figs 127, 128, 130 = 5 µm.	FIGURES 126–130: SEM micrographs of Cymbopleura tumida. Fig. 126. External valve view. Fig. 127. Detail of midvalve showing central area, with teardrop–shaped central pores. Fig. 128. Detail of valve end, showing distal raphe fissure and uniseriate striae. Fig. 129. Internal valve view. Fig. 130. Detail of mid-valve showing central nodule. Scale bars in Figs 126, 129 = 20 µm; Figs 127, 128, 130 = 5 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B84CFFDD00FDFE6F2376D828.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894426/files/figure.png	http://doi.org/10.5281/zenodo.4894426	FIGURES 131–160: LM micrographs. Figs 131–139. Gomphosphenia tenuis. Figs 140–148. Gomphonema mihoi. Figs 149–160. Gomphonema subaequale. Scale bar = 10 µm.	FIGURES 131–160: LM micrographs. Figs 131–139. Gomphosphenia tenuis. Figs 140–148. Gomphonema mihoi. Figs 149–160. Gomphonema subaequale. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B84CFFDD00FDFE6F2376D828.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894428/files/figure.png	http://doi.org/10.5281/zenodo.4894428	FIGURES 161–166: SEM micrographs of Gomphosphenia tenuis. Figs 161–163. External valve view; a single row of areolae present on valve mantle. Fig. 164. Detail of mid-valve, showing proximal raphe endings and striae composed of single areola. Proximal raphe endings widened and slightly deflected. One central striae/areola from one valve side absent. Fig. 165. Detail of head pole. Distal raphe fissure widened, terminates with teardrop-shaped pore. Fig. 166. Detail of foot pole. Raphe terminates with teardrop-shaped pore. APF not present on base pole. Scale bars in Fig. 161 = 5 µm; Figs 162, 163 = 10 µm; Figs 164, 166 = 2 µm; Fig. 165 = 1 µm.	FIGURES 161–166: SEM micrographs of Gomphosphenia tenuis. Figs 161–163. External valve view; a single row of areolae present on valve mantle. Fig. 164. Detail of mid-valve, showing proximal raphe endings and striae composed of single areola. Proximal raphe endings widened and slightly deflected. One central striae/areola from one valve side absent. Fig. 165. Detail of head pole. Distal raphe fissure widened, terminates with teardrop-shaped pore. Fig. 166. Detail of foot pole. Raphe terminates with teardrop-shaped pore. APF not present on base pole. Scale bars in Fig. 161 = 5 µm; Figs 162, 163 = 10 µm; Figs 164, 166 = 2 µm; Fig. 165 = 1 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B84CFFDD00FDFE6F2376D828.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894432/files/figure.png	http://doi.org/10.5281/zenodo.4894432	FIGURES 167–171: SEM micrographs of Gomphosphenia tenuis. Figs 167, 169. Internal view of whole valves and girdle bands. Girdle band closed, bearing single row of round poroids. Internal foramina elongate and longer than external. On both ends, raphe terminates with small helictoglossae. Figs 168, 170. Detail of mid-valve showing slightly raised central nodule and anchor-shaped proximal raphe endings. Fig. 171. Detail of base pole. Typical APF not present at base pole. Areolae at pole have modified structure, having round foramina with cross-like occlusions. All other areolae entirely occluded. Scale bars in Figs 167, 169 = 5 µm; Figs 168, 170, 171 = 2 µm.	FIGURES 167–171: SEM micrographs of Gomphosphenia tenuis. Figs 167, 169. Internal view of whole valves and girdle bands. Girdle band closed, bearing single row of round poroids. Internal foramina elongate and longer than external. On both ends, raphe terminates with small helictoglossae. Figs 168, 170. Detail of mid-valve showing slightly raised central nodule and anchor-shaped proximal raphe endings. Fig. 171. Detail of base pole. Typical APF not present at base pole. Areolae at pole have modified structure, having round foramina with cross-like occlusions. All other areolae entirely occluded. Scale bars in Figs 167, 169 = 5 µm; Figs 168, 170, 171 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B849FFD300FDFBD32320DECA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894426/files/figure.png	http://doi.org/10.5281/zenodo.4894426	FIGURES 131–160: LM micrographs. Figs 131–139. Gomphosphenia tenuis. Figs 140–148. Gomphonema mihoi. Figs 149–160. Gomphonema subaequale. Scale bar = 10 µm.	FIGURES 131–160: LM micrographs. Figs 131–139. Gomphosphenia tenuis. Figs 140–148. Gomphonema mihoi. Figs 149–160. Gomphonema subaequale. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B849FFD300FDFBD32320DECA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894434/files/figure.png	http://doi.org/10.5281/zenodo.4894434	FIGURES 172–177: SEM micrographs of Gomphonema mihoi. Fig. 172. Frustule in girdle view. Fig. 173. External view of whole valve. Fig. 174. Detail of central area, showing proximal raphe endings, stigma and areolae. Fig. 175. Internal view of whole valve. Fig. 176. Detail of base pole showing APF and distal raphe fissures. Fig. 177. Internal valve view, detail of central area, showing internal openings of areolae and stigma. Scale bars in Fig. 172 = 10 µm; Figs 173, 175 = 5 µm; Figs 174, 176, 177 = 2 µm.	FIGURES 172–177: SEM micrographs of Gomphonema mihoi. Fig. 172. Frustule in girdle view. Fig. 173. External view of whole valve. Fig. 174. Detail of central area, showing proximal raphe endings, stigma and areolae. Fig. 175. Internal view of whole valve. Fig. 176. Detail of base pole showing APF and distal raphe fissures. Fig. 177. Internal valve view, detail of central area, showing internal openings of areolae and stigma. Scale bars in Fig. 172 = 10 µm; Figs 173, 175 = 5 µm; Figs 174, 176, 177 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B847FFD300FDFC8A2583DBF5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894426/files/figure.png	http://doi.org/10.5281/zenodo.4894426	FIGURES 131–160: LM micrographs. Figs 131–139. Gomphosphenia tenuis. Figs 140–148. Gomphonema mihoi. Figs 149–160. Gomphonema subaequale. Scale bar = 10 µm.	FIGURES 131–160: LM micrographs. Figs 131–139. Gomphosphenia tenuis. Figs 140–148. Gomphonema mihoi. Figs 149–160. Gomphonema subaequale. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B847FFD300FDFC8A2583DBF5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894437/files/figure.png	http://doi.org/10.5281/zenodo.4894437	FIGURES 178–184: SEM micrographs of Gomphonema subaequale. Figs 178–180. External valve view. Fig. 179. Tilted specimen showing girdle elements. Each girdle band bears a single row of small, round poroids. Fig. 181. Detail of mid-valve, showing proximal raphe endings, stigma and external foramina. Proximal raphe endings widened and slightly deflected towards stigma. External opening of stigma simple and round. Striae uniseriate, composed of C-like areolae. Fig. 182. Internal view of mid-valve showing proximal raphe endings, stigma and internal openings of areolae. Internal fissures crochet-shaped. Fig. 183. Detail of base pole showing APF and distal raphe ending. Fig. 184. Internal valve view. Raphe terminates with small helictoglossae. Scale bars in Figs 178–180, 184 = 5 µm; Figs 181–183 = 2 µm.	FIGURES 178–184: SEM micrographs of Gomphonema subaequale. Figs 178–180. External valve view. Fig. 179. Tilted specimen showing girdle elements. Each girdle band bears a single row of small, round poroids. Fig. 181. Detail of mid-valve, showing proximal raphe endings, stigma and external foramina. Proximal raphe endings widened and slightly deflected towards stigma. External opening of stigma simple and round. Striae uniseriate, composed of C-like areolae. Fig. 182. Internal view of mid-valve showing proximal raphe endings, stigma and internal openings of areolae. Internal fissures crochet-shaped. Fig. 183. Detail of base pole showing APF and distal raphe ending. Fig. 184. Internal valve view. Raphe terminates with small helictoglossae. Scale bars in Figs 178–180, 184 = 5 µm; Figs 181–183 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B844FFD600FDF9FB232ADD76.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894439/files/figure.png	http://doi.org/10.5281/zenodo.4894439	FIGURES 185–209: LM micrographs. Figs 185–198. Gomphonema perolivaceolacuum. Figs 199–209. Gomphonema linearoides. Scale bar = 10 µm.	FIGURES 185–209: LM micrographs. Figs 185–198. Gomphonema perolivaceolacuum. Figs 199–209. Gomphonema linearoides. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B844FFD600FDF9FB232ADD76.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894443/files/figure.png	http://doi.org/10.5281/zenodo.4894443	FIGURES 241–245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm.	FIGURES 241–245: SEM micrographs of Gomphonema perolivaceolacuum. Figs 241, 243. External view of whole valves. Fig. 242. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 244. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 245. Detail of head pole, showing slightly deflected distal raphe fissure. Scale bars in Figs 241, 243 = 10 µm; Figs 242, 244, 245 = 2 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B842FFD600FDFE4D22A8D969.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894439/files/figure.png	http://doi.org/10.5281/zenodo.4894439	FIGURES 185–209: LM micrographs. Figs 185–198. Gomphonema perolivaceolacuum. Figs 199–209. Gomphonema linearoides. Scale bar = 10 µm.	FIGURES 185–209: LM micrographs. Figs 185–198. Gomphonema perolivaceolacuum. Figs 199–209. Gomphonema linearoides. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B842FFD600FDFE4D22A8D969.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894447/files/figure.png	http://doi.org/10.5281/zenodo.4894447	FIGURES 246–252: SEM micrographs. Figs 246–250. Gomphonema linearoides. Fig. 246. External view of post-initial cell. Distal raphe endings modified and not passing on valve mantle. Mid-valve widened. Fig. 247. External view of whole valve. Fig. 248. Detail of mid-valve showing small central area, widened proximal raphe endings and biseriate striae composed of round to elliptical areolae. Fig. 249. Internal view of whole valve. Fig. 250. Detail of mid–valve, showing pinhole-shaped proximal raphe fissures and biseriate striae. Figs 251, 252. Gomphonema fonticolum. Fig. 251. External view of whole valve. Fig. 252. Internal valve view. Scale bars in Fig. 246 = 20 µm; Figs 247, 249, 251 = 10 µm; Figs 248, 250 = 2 µm, Fig. 252 = 5 µm.	FIGURES 246–252: SEM micrographs. Figs 246–250. Gomphonema linearoides. Fig. 246. External view of post-initial cell. Distal raphe endings modified and not passing on valve mantle. Mid-valve widened. Fig. 247. External view of whole valve. Fig. 248. Detail of mid-valve showing small central area, widened proximal raphe endings and biseriate striae composed of round to elliptical areolae. Fig. 249. Internal view of whole valve. Fig. 250. Detail of mid–valve, showing pinhole-shaped proximal raphe fissures and biseriate striae. Figs 251, 252. Gomphonema fonticolum. Fig. 251. External view of whole valve. Fig. 252. Internal valve view. Scale bars in Fig. 246 = 20 µm; Figs 247, 249, 251 = 10 µm; Figs 248, 250 = 2 µm, Fig. 252 = 5 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B842FFD600FDFE4D22A8D969.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894441/files/figure.png	http://doi.org/10.5281/zenodo.4894441	FIGURES 210–240: LM micrographs. Figs 210–221. Gomphonema densistriatum. Figs 222–230. Gomphonema subolivaceum. Figs 230–240. Gomphonema fonticolum. Scale bar = 10 µm.	FIGURES 210–240: LM micrographs. Figs 210–221. Gomphonema densistriatum. Figs 222–230. Gomphonema subolivaceum. Figs 230–240. Gomphonema fonticolum. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B842FFD500FDFA492005DBCA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894441/files/figure.png	http://doi.org/10.5281/zenodo.4894441	FIGURES 210–240: LM micrographs. Figs 210–221. Gomphonema densistriatum. Figs 222–230. Gomphonema subolivaceum. Figs 230–240. Gomphonema fonticolum. Scale bar = 10 µm.	FIGURES 210–240: LM micrographs. Figs 210–221. Gomphonema densistriatum. Figs 222–230. Gomphonema subolivaceum. Figs 230–240. Gomphonema fonticolum. Scale bar = 10 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
03AC87D2B842FFD500FDFA492005DBCA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4894451/files/figure.png	http://doi.org/10.5281/zenodo.4894451	FIGURES 253–258: SEM micrographs of Gomphonema densistriatum. Figs 253, 255. External view of whole valves. Fig. 254. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 256. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 257. Internal valve view. Fig. 258. Detail of mid–valve. Scale bars in Figs 253, 255, 257 = 10 µm; Figs 254, 256, 258 = 5 µm.	FIGURES 253–258: SEM micrographs of Gomphonema densistriatum. Figs 253, 255. External view of whole valves. Fig. 254. Detail of mid-valve showing small central area, teardrop-shaped central pores and biseriate striae. Fig. 256. Detail of base pole showing distinct APF and straight distal raphe fissure. Fig. 257. Internal valve view. Fig. 258. Detail of mid–valve. Scale bars in Figs 253, 255, 257 = 10 µm; Figs 254, 256, 258 = 5 µm.	2011-10-14	Levkov, Zlatko;Williams, David M.		Zenodo	biologists	Levkov, Zlatko;Williams, David M.			
