taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
8F63833A3D05FFD713B4D055C9F34AD4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17110328/files/figure.png	https://doi.org/10.5281/zenodo.17110328	FIGURES 1–22. Stauroneis alegrensis sp. nov. Type population from Salto Alegre, Misiones, Argentina. LM. Figs 1–2. Frustules in girdle view. Figs 3–4. Valve in girdle view with valvocopula attached. Figs 5–6. Valve in girdle view. Figs 7–22. Size diminution series of specimens in valve view. Specimen in Figs 19–20 is representative of the holotype. Scale bars = 10 µm (scale bar is the same for Figs 7–22).	FIGURES 1–22. Stauroneis alegrensis sp. nov. Type population from Salto Alegre, Misiones, Argentina. LM. Figs 1–2. Frustules in girdle view. Figs 3–4. Valve in girdle view with valvocopula attached. Figs 5–6. Valve in girdle view. Figs 7–22. Size diminution series of specimens in valve view. Specimen in Figs 19–20 is representative of the holotype. Scale bars = 10 µm (scale bar is the same for Figs 7–22).	2025-08-19	Guerrero, José M.;Vouilloud, Amelia A.;Sala, Silvia E.;Kociolek, J. Patrick		Zenodo	biologists	Guerrero, José M.;Vouilloud, Amelia A.;Sala, Silvia E.;Kociolek, J. Patrick			
8F63833A3D05FFD713B4D055C9F34AD4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17110330/files/figure.png	https://doi.org/10.5281/zenodo.17110330	FIGURES 23–28. Stauroneis alegrensis sp. nov. Type population from Salto Alegre, Misiones, Argentina. SEM. Figs 23–25. External valve views. Fig. 23. Valve in oblique view (with valvocopula attached) showing valve face and mantle. Fig. 24. Detail of central area showing bow-tie shaped stauros and central raphe ending deflected, with elongated drop-like central pores. Fig. 25. Detail of valve apex showing terminal raphe fissure bent towards valve mantle. Note areolae more distantly spaced at the valve face/mantle junction. Figs 26–28. Internal views. Fig. 26. Entire valve showing thickened stauros, longitudinal thickenings flanking raphe fissures and conspicuous pseudosepta at the apices. Fig. 27. Detail of valve apex showing pseudoseptum. Fig. 28. Detail of central area. Note round to elliptical areola openings between the raised interstriae (arrow). Scale bars = 10 µm (Figs 23, 26), 5 µm (Figs 24, 27–28), 2 µm (Fig. 25).	FIGURES 23–28. Stauroneis alegrensis sp. nov. Type population from Salto Alegre, Misiones, Argentina. SEM. Figs 23–25. External valve views. Fig. 23. Valve in oblique view (with valvocopula attached) showing valve face and mantle. Fig. 24. Detail of central area showing bow-tie shaped stauros and central raphe ending deflected, with elongated drop-like central pores. Fig. 25. Detail of valve apex showing terminal raphe fissure bent towards valve mantle. Note areolae more distantly spaced at the valve face/mantle junction. Figs 26–28. Internal views. Fig. 26. Entire valve showing thickened stauros, longitudinal thickenings flanking raphe fissures and conspicuous pseudosepta at the apices. Fig. 27. Detail of valve apex showing pseudoseptum. Fig. 28. Detail of central area. Note round to elliptical areola openings between the raised interstriae (arrow). Scale bars = 10 µm (Figs 23, 26), 5 µm (Figs 24, 27–28), 2 µm (Fig. 25).	2025-08-19	Guerrero, José M.;Vouilloud, Amelia A.;Sala, Silvia E.;Kociolek, J. Patrick		Zenodo	biologists	Guerrero, José M.;Vouilloud, Amelia A.;Sala, Silvia E.;Kociolek, J. Patrick			
8F63833A3D05FFD713B4D055C9F34AD4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17110332/files/figure.png	https://doi.org/10.5281/zenodo.17110332	FIGURES 29–34. Stauroneis alegrensis sp. nov. Type population from Salto Alegre, Misiones, Argentina. SEM. Internal views. Fig. 29. Entire valve with valvocopula attached. Fig. 30. Detail of valve apex showing valvocopula expanded in a septum covering the pseudoseptum. Note the valvocopula with double row of poroids. Fig. 31. Detail of central area showing thickened stauros and slightly bent proximal raphe endings. Fig. 32. Detail of central area. Note the rectangular hymenes occluding the internal areola openings. Fig. 33. Closed pole of a detached valvocopula. Fig. 34. Open pole of a detached valvocopula. Scale bars = 10 µm (Fig. 29), 5 µm (Figs 31–34), 2 µm (Fig. 30).	FIGURES 29–34. Stauroneis alegrensis sp. nov. Type population from Salto Alegre, Misiones, Argentina. SEM. Internal views. Fig. 29. Entire valve with valvocopula attached. Fig. 30. Detail of valve apex showing valvocopula expanded in a septum covering the pseudoseptum. Note the valvocopula with double row of poroids. Fig. 31. Detail of central area showing thickened stauros and slightly bent proximal raphe endings. Fig. 32. Detail of central area. Note the rectangular hymenes occluding the internal areola openings. Fig. 33. Closed pole of a detached valvocopula. Fig. 34. Open pole of a detached valvocopula. Scale bars = 10 µm (Fig. 29), 5 µm (Figs 31–34), 2 µm (Fig. 30).	2025-08-19	Guerrero, José M.;Vouilloud, Amelia A.;Sala, Silvia E.;Kociolek, J. Patrick		Zenodo	biologists	Guerrero, José M.;Vouilloud, Amelia A.;Sala, Silvia E.;Kociolek, J. Patrick			
