taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03D3878BFFA3FF80FF2BFCDABBE3423B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5832766/files/figure.png	http://doi.org/10.5281/zenodo.5832766	FIGURES 1–13: Gomphonema firmum from Gyrgyntui, valve view, LM. Size diminution series including specimens shorter than previously described. Scale bar: 10 µm.	FIGURES 1–13: Gomphonema firmum from Gyrgyntui, valve view, LM. Size diminution series including specimens shorter than previously described. Scale bar: 10 µm.	2022-01-10	Vishnyakov, Vasily S.		Zenodo	biologists	Vishnyakov, Vasily S.			
03D3878BFFA3FF80FF2BFCDABBE3423B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5832770/files/figure.png	http://doi.org/10.5281/zenodo.5832770	FIGURES 14–20: Gomphonema firmum from Gyrgyntui, external views, SEM. Fig. 14. Frustules in valve (a) and girdle (b) views. Figs. 15, 16. Frustules from external view. Fig. 17. Headpole showing the marginal spine and plicate ribs along the junction of valve face and mantle (arrows). Fig. 18. Footpole showing terminal raphe fissure and bisected pore field, which is separated from the adjacent striae by transverse hyaline strip. Fig. 19. Detail of central portion of the valve showing proximal raphe endings, round stigma opening and scattered impressions. Fig. 20.Areolae with volate occlusions; areolae with more than one vola are indicated by arrows.	FIGURES 14–20: Gomphonema firmum from Gyrgyntui, external views, SEM. Fig. 14. Frustules in valve (a) and girdle (b) views. Figs. 15, 16. Frustules from external view. Fig. 17. Headpole showing the marginal spine and plicate ribs along the junction of valve face and mantle (arrows). Fig. 18. Footpole showing terminal raphe fissure and bisected pore field, which is separated from the adjacent striae by transverse hyaline strip. Fig. 19. Detail of central portion of the valve showing proximal raphe endings, round stigma opening and scattered impressions. Fig. 20.Areolae with volate occlusions; areolae with more than one vola are indicated by arrows.	2022-01-10	Vishnyakov, Vasily S.		Zenodo	biologists	Vishnyakov, Vasily S.			
03D3878BFFA3FF80FF2BFCDABBE3423B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5832772/files/figure.png	http://doi.org/10.5281/zenodo.5832772	FIGURES 21–26: Gomphonema firmum from Gyrgyntui, internal views, SEM. Fig. 21. Valve with cingulum consisting of two open valvocopulae. Fig. 22. Detail of central portion of the valve showing hemispherical central nodule, proximal raphe endings (black arrows) and slit-like stigma opening (white arrow), note the pattern of strongly silicified virgae and alveolae containing internal areolar openings. Fig. 23. Headpole showing pseudoseptum (black arrow) and distal raphe ending on helictoglossa (white arrow). Fig. 24. Footpole showing pseudoseptum (black arrow) that masks apical pore field, distal raphe ending on helictoglossa (white arrow), note very small, hardly recognizable paired stubs (small white arrows). Fig. 25. Headpole, valvocopula with septum, which masks helictoglossa (white arrow). Fig. 26. Footpole, valvocopula with septum, note porelli of the bisected pore field (arrows).	FIGURES 21–26: Gomphonema firmum from Gyrgyntui, internal views, SEM. Fig. 21. Valve with cingulum consisting of two open valvocopulae. Fig. 22. Detail of central portion of the valve showing hemispherical central nodule, proximal raphe endings (black arrows) and slit-like stigma opening (white arrow), note the pattern of strongly silicified virgae and alveolae containing internal areolar openings. Fig. 23. Headpole showing pseudoseptum (black arrow) and distal raphe ending on helictoglossa (white arrow). Fig. 24. Footpole showing pseudoseptum (black arrow) that masks apical pore field, distal raphe ending on helictoglossa (white arrow), note very small, hardly recognizable paired stubs (small white arrows). Fig. 25. Headpole, valvocopula with septum, which masks helictoglossa (white arrow). Fig. 26. Footpole, valvocopula with septum, note porelli of the bisected pore field (arrows).	2022-01-10	Vishnyakov, Vasily S.		Zenodo	biologists	Vishnyakov, Vasily S.			
03D3878BFFA3FF80FF2BFCDABBE3423B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5832774/files/figure.png	http://doi.org/10.5281/zenodo.5832774	FIGURES 27, 28: Gomphonema lanceolatum var. maximum, reproduced iconographs. Fig. 27. Micrograph from Proschkina-Lavrenko (1950: Fig. 5). Fig. 28. Line drawing from Poretzky and Sheshukova (1953: Fig. 10). Scale bar: 10 µm.	FIGURES 27, 28: Gomphonema lanceolatum var. maximum, reproduced iconographs. Fig. 27. Micrograph from Proschkina-Lavrenko (1950: Fig. 5). Fig. 28. Line drawing from Poretzky and Sheshukova (1953: Fig. 10). Scale bar: 10 µm.	2022-01-10	Vishnyakov, Vasily S.		Zenodo	biologists	Vishnyakov, Vasily S.			
