taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
0F048322FFF6DD3BFF7DFF37FC43FADD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630535/files/figure.png	https://doi.org/10.5281/zenodo.13630535	FIGURES 1–21. Platichthys darwiniana sp. nov. 1–18. LM. Diminution size series of P. darwiniana sp. nov. frustules and valves, all in valve view taken from the holotype slide. 6. Holotype specimen. 19–21. SEM. 19–20. External view of the complete frustules, note the valvocopula perforated with multiple rows of fine puncta (arrow in Fig. 19). 21. External view of the valve with slight constriction in the middle showing the striae composed of very fine areolae (arrow) and particularly well developed hyaline valve mantle.	FIGURES 1–21. Platichthys darwiniana sp. nov. 1–18. LM. Diminution size series of P. darwiniana sp. nov. frustules and valves, all in valve view taken from the holotype slide. 6. Holotype specimen. 19–21. SEM. 19–20. External view of the complete frustules, note the valvocopula perforated with multiple rows of fine puncta (arrow in Fig. 19). 21. External view of the valve with slight constriction in the middle showing the striae composed of very fine areolae (arrow) and particularly well developed hyaline valve mantle.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3BFF7DFF37FC43FADD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630545/files/figure.png	https://doi.org/10.5281/zenodo.13630545	FIGURES 39–53. Platichthys krammeri sp. nov. 39–49. LM. Valve view, frustules in various position with different focus. Note in particular diffuse prolongation of fibulae into the valve transapically. 50–53. SEM. 50. External valve view. 51, 52. External view of valve end. Holotype specimen in straight and marginal view. Note copulae of epitheca and shallow valves lacking distinction between faces and mantles. 53. External valve view of specimen with slightly lacerated surface.	FIGURES 39–53. Platichthys krammeri sp. nov. 39–49. LM. Valve view, frustules in various position with different focus. Note in particular diffuse prolongation of fibulae into the valve transapically. 50–53. SEM. 50. External valve view. 51, 52. External view of valve end. Holotype specimen in straight and marginal view. Note copulae of epitheca and shallow valves lacking distinction between faces and mantles. 53. External valve view of specimen with slightly lacerated surface.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3BFF7DFF37FC43FADD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630539/files/figure.png	https://doi.org/10.5281/zenodo.13630539	FIGURES 22–26. Platichthys darwiniana sp. nov. 22–24 SEM. 25, 26.TEM. 22.Valve view from the keel side of the specimen illustrated in Fig.21 (strongly tilted).Notethe position of the raphe bearing keel andthe central nodule (arrow).23.Specimen showing the compression of the valve and the raphe branches with distinct central nodule (arrow). 24. General view of the valve positioned on the raphe bearing canal. 25, 26. Valve of a specimen showing a position of the fibulae below the raphe bearing canal (arrowheads) and the transapical striae composed of oblong areolae (white arrow). Note the presence of narrow hyaline valve mantle (black arrow in Fig. 26) and of the hyaline raphe bearing canal (white arrow in Fig. 26). Fig. 26 is a close up of a specimen illustrated in Fig. 25.	FIGURES 22–26. Platichthys darwiniana sp. nov. 22–24 SEM. 25, 26.TEM. 22.Valve view from the keel side of the specimen illustrated in Fig.21 (strongly tilted).Notethe position of the raphe bearing keel andthe central nodule (arrow).23.Specimen showing the compression of the valve and the raphe branches with distinct central nodule (arrow). 24. General view of the valve positioned on the raphe bearing canal. 25, 26. Valve of a specimen showing a position of the fibulae below the raphe bearing canal (arrowheads) and the transapical striae composed of oblong areolae (white arrow). Note the presence of narrow hyaline valve mantle (black arrow in Fig. 26) and of the hyaline raphe bearing canal (white arrow in Fig. 26). Fig. 26 is a close up of a specimen illustrated in Fig. 25.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3BFF7DFF37FC43FADD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630541/files/figure.png	https://doi.org/10.5281/zenodo.13630541	FIGURES 27–32. Platichthys darwiniana sp. nov. SEM. 27. Valve apex showing strongly bent raphe apical ending (arrow). 28. View of an apical valve part with small groove formed by the strongly bent raphe end (arrowhead) which is not visible. 29. Apical part of the frustule showing strongly bent raphe end (arrowhead). 30–32. Internal view of a broken valve. 30. Internal view showing the compression of the valve (marked by the small arrowheads) and narrow hyaline mantle (arrow). 31, 32. Close up of the broken valve, note the striae forming areolae positioned in shallow grooves (arrowhead in Fig. 32).	FIGURES 27–32. Platichthys darwiniana sp. nov. SEM. 27. Valve apex showing strongly bent raphe apical ending (arrow). 28. View of an apical valve part with small groove formed by the strongly bent raphe end (arrowhead) which is not visible. 29. Apical part of the frustule showing strongly bent raphe end (arrowhead). 30–32. Internal view of a broken valve. 30. Internal view showing the compression of the valve (marked by the small arrowheads) and narrow hyaline mantle (arrow). 31, 32. Close up of the broken valve, note the striae forming areolae positioned in shallow grooves (arrowhead in Fig. 32).	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3BFF7DFF37FC43FADD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630547/files/figure.png	https://doi.org/10.5281/zenodo.13630547	FIGURES 54–58. Platichthys krammeri sp. nov. SEM. 54. Broken valve showing external and internal valve views, specimen with strongly lacerated surface, with copulae of both valves lying between ruptured, collapsed valves. 55. External view of two frustules after cell division. 56–58. External view from keel-shaped edge towards ventral valve margin and copulae. 56. Note course of the raphe. 57. Note raphe below and parallel to ridge of the keel. 58. Close up of an intact valve with copulae.	FIGURES 54–58. Platichthys krammeri sp. nov. SEM. 54. Broken valve showing external and internal valve views, specimen with strongly lacerated surface, with copulae of both valves lying between ruptured, collapsed valves. 55. External view of two frustules after cell division. 56–58. External view from keel-shaped edge towards ventral valve margin and copulae. 56. Note course of the raphe. 57. Note raphe below and parallel to ridge of the keel. 58. Close up of an intact valve with copulae.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3BFF7DFF37FC43FADD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630549/files/figure.png	https://doi.org/10.5281/zenodo.13630549	FIGURES 59–62. Platichthys krammeri sp. nov. compared to Nitzschia sp. SEM. 59. External/internal valve view, the two broken valves of a frustules displaying valve cavity with range of fibulae (above); raphe slit outside (below) running parallel to the marginal crest; note transapical waves and the external central raphe endings—central nodule (arrow). 60. Internal view of areolae structure and fibulae. 61, 62. Nitzschia sp. from section Lineares for comparison, specimens associated in the same preparation. Main distinguishing feature vs. Platichthys gen. nov. is differentiation between valve faces and mantles with a consequently more or less rectangular cross-section.	FIGURES 59–62. Platichthys krammeri sp. nov. compared to Nitzschia sp. SEM. 59. External/internal valve view, the two broken valves of a frustules displaying valve cavity with range of fibulae (above); raphe slit outside (below) running parallel to the marginal crest; note transapical waves and the external central raphe endings—central nodule (arrow). 60. Internal view of areolae structure and fibulae. 61, 62. Nitzschia sp. from section Lineares for comparison, specimens associated in the same preparation. Main distinguishing feature vs. Platichthys gen. nov. is differentiation between valve faces and mantles with a consequently more or less rectangular cross-section.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3BFF7DFF37FC43FADD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630543/files/figure.png	https://doi.org/10.5281/zenodo.13630543	FIGURES 33–38. SEM. Platichthys darwiniana sp. nov. 33, 34. Internal valve view of the same specimen at different tilting degree, note the position of fibulae (black arrow) and the internal central raphe endings (white arrow). 35. Broken valve showing the position of the fibulae (arrow), note the transapical striae merging into the particular fibulae. 36. Close up of the specimen illustrated in Fig. 34 with an internal view of the central valve part, note the distant position of the two central fibulae (arrowheads) and the central nodule (arrow). 37. Central part of the valve interior with close up of the central nodule with double helictoglossa (arrowhead) and the presence of portulae (white arrow). 38. Apical part of the valve interior, note the presence of simple helictoglossa (arrowhead) and the portulae (white arrow).	FIGURES 33–38. SEM. Platichthys darwiniana sp. nov. 33, 34. Internal valve view of the same specimen at different tilting degree, note the position of fibulae (black arrow) and the internal central raphe endings (white arrow). 35. Broken valve showing the position of the fibulae (arrow), note the transapical striae merging into the particular fibulae. 36. Close up of the specimen illustrated in Fig. 34 with an internal view of the central valve part, note the distant position of the two central fibulae (arrowheads) and the central nodule (arrow). 37. Central part of the valve interior with close up of the central nodule with double helictoglossa (arrowhead) and the presence of portulae (white arrow). 38. Apical part of the valve interior, note the presence of simple helictoglossa (arrowhead) and the portulae (white arrow).	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3FFF7DFA46FA89FEEF.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630535/files/figure.png	https://doi.org/10.5281/zenodo.13630535	FIGURES 1–21. Platichthys darwiniana sp. nov. 1–18. LM. Diminution size series of P. darwiniana sp. nov. frustules and valves, all in valve view taken from the holotype slide. 6. Holotype specimen. 19–21. SEM. 19–20. External view of the complete frustules, note the valvocopula perforated with multiple rows of fine puncta (arrow in Fig. 19). 21. External view of the valve with slight constriction in the middle showing the striae composed of very fine areolae (arrow) and particularly well developed hyaline valve mantle.	FIGURES 1–21. Platichthys darwiniana sp. nov. 1–18. LM. Diminution size series of P. darwiniana sp. nov. frustules and valves, all in valve view taken from the holotype slide. 6. Holotype specimen. 19–21. SEM. 19–20. External view of the complete frustules, note the valvocopula perforated with multiple rows of fine puncta (arrow in Fig. 19). 21. External view of the valve with slight constriction in the middle showing the striae composed of very fine areolae (arrow) and particularly well developed hyaline valve mantle.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3FFF7DFA46FA89FEEF.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630539/files/figure.png	https://doi.org/10.5281/zenodo.13630539	FIGURES 22–26. Platichthys darwiniana sp. nov. 22–24 SEM. 25, 26.TEM. 22.Valve view from the keel side of the specimen illustrated in Fig.21 (strongly tilted).Notethe position of the raphe bearing keel andthe central nodule (arrow).23.Specimen showing the compression of the valve and the raphe branches with distinct central nodule (arrow). 24. General view of the valve positioned on the raphe bearing canal. 25, 26. Valve of a specimen showing a position of the fibulae below the raphe bearing canal (arrowheads) and the transapical striae composed of oblong areolae (white arrow). Note the presence of narrow hyaline valve mantle (black arrow in Fig. 26) and of the hyaline raphe bearing canal (white arrow in Fig. 26). Fig. 26 is a close up of a specimen illustrated in Fig. 25.	FIGURES 22–26. Platichthys darwiniana sp. nov. 22–24 SEM. 25, 26.TEM. 22.Valve view from the keel side of the specimen illustrated in Fig.21 (strongly tilted).Notethe position of the raphe bearing keel andthe central nodule (arrow).23.Specimen showing the compression of the valve and the raphe branches with distinct central nodule (arrow). 24. General view of the valve positioned on the raphe bearing canal. 25, 26. Valve of a specimen showing a position of the fibulae below the raphe bearing canal (arrowheads) and the transapical striae composed of oblong areolae (white arrow). Note the presence of narrow hyaline valve mantle (black arrow in Fig. 26) and of the hyaline raphe bearing canal (white arrow in Fig. 26). Fig. 26 is a close up of a specimen illustrated in Fig. 25.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3FFF7DFA46FA89FEEF.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630541/files/figure.png	https://doi.org/10.5281/zenodo.13630541	FIGURES 27–32. Platichthys darwiniana sp. nov. SEM. 27. Valve apex showing strongly bent raphe apical ending (arrow). 28. View of an apical valve part with small groove formed by the strongly bent raphe end (arrowhead) which is not visible. 29. Apical part of the frustule showing strongly bent raphe end (arrowhead). 30–32. Internal view of a broken valve. 30. Internal view showing the compression of the valve (marked by the small arrowheads) and narrow hyaline mantle (arrow). 31, 32. Close up of the broken valve, note the striae forming areolae positioned in shallow grooves (arrowhead in Fig. 32).	FIGURES 27–32. Platichthys darwiniana sp. nov. SEM. 27. Valve apex showing strongly bent raphe apical ending (arrow). 28. View of an apical valve part with small groove formed by the strongly bent raphe end (arrowhead) which is not visible. 29. Apical part of the frustule showing strongly bent raphe end (arrowhead). 30–32. Internal view of a broken valve. 30. Internal view showing the compression of the valve (marked by the small arrowheads) and narrow hyaline mantle (arrow). 31, 32. Close up of the broken valve, note the striae forming areolae positioned in shallow grooves (arrowhead in Fig. 32).	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF6DD3FFF7DFA46FA89FEEF.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630543/files/figure.png	https://doi.org/10.5281/zenodo.13630543	FIGURES 33–38. SEM. Platichthys darwiniana sp. nov. 33, 34. Internal valve view of the same specimen at different tilting degree, note the position of fibulae (black arrow) and the internal central raphe endings (white arrow). 35. Broken valve showing the position of the fibulae (arrow), note the transapical striae merging into the particular fibulae. 36. Close up of the specimen illustrated in Fig. 34 with an internal view of the central valve part, note the distant position of the two central fibulae (arrowheads) and the central nodule (arrow). 37. Central part of the valve interior with close up of the central nodule with double helictoglossa (arrowhead) and the presence of portulae (white arrow). 38. Apical part of the valve interior, note the presence of simple helictoglossa (arrowhead) and the portulae (white arrow).	FIGURES 33–38. SEM. Platichthys darwiniana sp. nov. 33, 34. Internal valve view of the same specimen at different tilting degree, note the position of fibulae (black arrow) and the internal central raphe endings (white arrow). 35. Broken valve showing the position of the fibulae (arrow), note the transapical striae merging into the particular fibulae. 36. Close up of the specimen illustrated in Fig. 34 with an internal view of the central valve part, note the distant position of the two central fibulae (arrowheads) and the central nodule (arrow). 37. Central part of the valve interior with close up of the central nodule with double helictoglossa (arrowhead) and the presence of portulae (white arrow). 38. Apical part of the valve interior, note the presence of simple helictoglossa (arrowhead) and the portulae (white arrow).	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF2DD3FFF7DFE59FAE2F993.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630545/files/figure.png	https://doi.org/10.5281/zenodo.13630545	FIGURES 39–53. Platichthys krammeri sp. nov. 39–49. LM. Valve view, frustules in various position with different focus. Note in particular diffuse prolongation of fibulae into the valve transapically. 50–53. SEM. 50. External valve view. 51, 52. External view of valve end. Holotype specimen in straight and marginal view. Note copulae of epitheca and shallow valves lacking distinction between faces and mantles. 53. External valve view of specimen with slightly lacerated surface.	FIGURES 39–53. Platichthys krammeri sp. nov. 39–49. LM. Valve view, frustules in various position with different focus. Note in particular diffuse prolongation of fibulae into the valve transapically. 50–53. SEM. 50. External valve view. 51, 52. External view of valve end. Holotype specimen in straight and marginal view. Note copulae of epitheca and shallow valves lacking distinction between faces and mantles. 53. External valve view of specimen with slightly lacerated surface.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF2DD3FFF7DFE59FAE2F993.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630547/files/figure.png	https://doi.org/10.5281/zenodo.13630547	FIGURES 54–58. Platichthys krammeri sp. nov. SEM. 54. Broken valve showing external and internal valve views, specimen with strongly lacerated surface, with copulae of both valves lying between ruptured, collapsed valves. 55. External view of two frustules after cell division. 56–58. External view from keel-shaped edge towards ventral valve margin and copulae. 56. Note course of the raphe. 57. Note raphe below and parallel to ridge of the keel. 58. Close up of an intact valve with copulae.	FIGURES 54–58. Platichthys krammeri sp. nov. SEM. 54. Broken valve showing external and internal valve views, specimen with strongly lacerated surface, with copulae of both valves lying between ruptured, collapsed valves. 55. External view of two frustules after cell division. 56–58. External view from keel-shaped edge towards ventral valve margin and copulae. 56. Note course of the raphe. 57. Note raphe below and parallel to ridge of the keel. 58. Close up of an intact valve with copulae.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
0F048322FFF2DD3FFF7DFE59FAE2F993.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13630549/files/figure.png	https://doi.org/10.5281/zenodo.13630549	FIGURES 59–62. Platichthys krammeri sp. nov. compared to Nitzschia sp. SEM. 59. External/internal valve view, the two broken valves of a frustules displaying valve cavity with range of fibulae (above); raphe slit outside (below) running parallel to the marginal crest; note transapical waves and the external central raphe endings—central nodule (arrow). 60. Internal view of areolae structure and fibulae. 61, 62. Nitzschia sp. from section Lineares for comparison, specimens associated in the same preparation. Main distinguishing feature vs. Platichthys gen. nov. is differentiation between valve faces and mantles with a consequently more or less rectangular cross-section.	FIGURES 59–62. Platichthys krammeri sp. nov. compared to Nitzschia sp. SEM. 59. External/internal valve view, the two broken valves of a frustules displaying valve cavity with range of fibulae (above); raphe slit outside (below) running parallel to the marginal crest; note transapical waves and the external central raphe endings—central nodule (arrow). 60. Internal view of areolae structure and fibulae. 61, 62. Nitzschia sp. from section Lineares for comparison, specimens associated in the same preparation. Main distinguishing feature vs. Platichthys gen. nov. is differentiation between valve faces and mantles with a consequently more or less rectangular cross-section.	2015-11-28	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.		Zenodo	biologists	Lange-Bertalot, Horst;Witkowski, Andrzej;Seddon, Maxim S. Kulikovskiy Alistair W. R.;Kociolek, John P.			
