taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
FA3806F9FD1553389FF1F27382D5F7B5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424831	https://doi.org/10.3897/phytokeys.263.162632.figure1	Figure 1. Surirella brightwellii, LM, × 1000 A – I. Nine valves showing a size diminution series; note the distinctive costa-stria bundles, over-fibula ribs (CSB and OFR, labelled in F), and some costae reaching the valve midline. Scale bar: 10 μm.	Figure 1. Surirella brightwellii, LM, × 1000 A – I. Nine valves showing a size diminution series; note the distinctive costa-stria bundles, over-fibula ribs (CSB and OFR, labelled in F), and some costae reaching the valve midline. Scale bar: 10 μm.	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
FA3806F9FD1553389FF1F27382D5F7B5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424832	https://doi.org/10.3897/phytokeys.263.162632.figure2	Figure 2. Surirella brightwellii, external view, SEM A, B. Two valves; note the distinctive costae; C. Detail of valve middle part from B; note some costae reaching valve midline (arrows); D. Footpole detail from B; note the interrupted distal raphe endings (two white arrows) and slit-like outer openings of areolae; E. Headpole detail from B; note the interrupted distal raphe endings (two black arrows); F. Valve side detail from A showing costa-stria bundles (CSB) and over-fibula ribs (OFR). Scale bar: 10 μm (A, B); 1 μm (C – F).	Figure 2. Surirella brightwellii, external view, SEM A, B. Two valves; note the distinctive costae; C. Detail of valve middle part from B; note some costae reaching valve midline (arrows); D. Footpole detail from B; note the interrupted distal raphe endings (two white arrows) and slit-like outer openings of areolae; E. Headpole detail from B; note the interrupted distal raphe endings (two black arrows); F. Valve side detail from A showing costa-stria bundles (CSB) and over-fibula ribs (OFR). Scale bar: 10 μm (A, B); 1 μm (C – F).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
FA3806F9FD1553389FF1F27382D5F7B5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424833	https://doi.org/10.3897/phytokeys.263.162632.figure3	Figure 3. Surirella brightwellii, internal view, SEM A, B. Two complete valves; note the slim, short fibulae and marginal trough-like depressions (indicated by black dotted lines in A) and some double fibulae (arrows in B); C. Headpole, detail from A; note the continuous distal raphe (arrow), multiseriate striae and not rimmed inner openings of areolae; D. Footpole from A; note the interrupted distal raphe (two arrows); E. Headpole from B; note the costa-stria bundles and each mantle sinking against a fibula (two white arrows and two black arrows); F. Valve side view showing 2–5 portulae between two adjacent fibulae (arrows). Scale bar: 10 μm (A, B); 1 μm (C – F).	Figure 3. Surirella brightwellii, internal view, SEM A, B. Two complete valves; note the slim, short fibulae and marginal trough-like depressions (indicated by black dotted lines in A) and some double fibulae (arrows in B); C. Headpole, detail from A; note the continuous distal raphe (arrow), multiseriate striae and not rimmed inner openings of areolae; D. Footpole from A; note the interrupted distal raphe (two arrows); E. Headpole from B; note the costa-stria bundles and each mantle sinking against a fibula (two white arrows and two black arrows); F. Valve side view showing 2–5 portulae between two adjacent fibulae (arrows). Scale bar: 10 μm (A, B); 1 μm (C – F).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
8AFEF91A8EC35508B711C7BA141FE7FA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424834	https://doi.org/10.3897/phytokeys.263.162632.figure4	Figure 4. Surirella ectorii sp. nov., LM, × 1000 A – E. Five valves showing a size diminution series; note the almost symmetric valve outlines relative to the apical axis, relatively planar valve surfaces, distinctive costa-stria bundles alternated with over-fibula ribs (CSB and OFR, labelled in E), and a marginal row of costae produced on the wall of raphe canal (B, indicated by six arrows); B. Illustration of holotype specimen. Scale bar: 10 μm.	Figure 4. Surirella ectorii sp. nov., LM, × 1000 A – E. Five valves showing a size diminution series; note the almost symmetric valve outlines relative to the apical axis, relatively planar valve surfaces, distinctive costa-stria bundles alternated with over-fibula ribs (CSB and OFR, labelled in E), and a marginal row of costae produced on the wall of raphe canal (B, indicated by six arrows); B. Illustration of holotype specimen. Scale bar: 10 μm.	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
8AFEF91A8EC35508B711C7BA141FE7FA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424835	https://doi.org/10.3897/phytokeys.263.162632.figure5	Figure 5. Surirella ectorii sp. nov., external view, SEM A – C. Three valves; note the relatively planar valve surfaces, prominent siliceous warts throughout the valve surface, and a marginal row of costae produced on the wall of the canal raphe (C, arrows); D. Headpole detail from A; note the interrupted distal raphe endings (two arrows); E. Footpole detail from A; note the costae, siliceous warts, reticulate thickenings, and interrupted distal raphe endings (two arrows); F. Valve side detail showing the costa-stria bundles (CSB), over-fibula ribs (OFR), and a marginal row of costae produced on the wall of the raphe canal (double-headed arrow). Scale bar: 10 μm (A – C); 2 μm (D – F).	Figure 5. Surirella ectorii sp. nov., external view, SEM A – C. Three valves; note the relatively planar valve surfaces, prominent siliceous warts throughout the valve surface, and a marginal row of costae produced on the wall of the canal raphe (C, arrows); D. Headpole detail from A; note the interrupted distal raphe endings (two arrows); E. Footpole detail from A; note the costae, siliceous warts, reticulate thickenings, and interrupted distal raphe endings (two arrows); F. Valve side detail showing the costa-stria bundles (CSB), over-fibula ribs (OFR), and a marginal row of costae produced on the wall of the raphe canal (double-headed arrow). Scale bar: 10 μm (A – C); 2 μm (D – F).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
8AFEF91A8EC35508B711C7BA141FE7FA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424836	https://doi.org/10.3897/phytokeys.263.162632.figure6	Figure 6. Surirella ectorii sp. nov., internal view, SEM A, B. Two valves; note the raphe canal wall grows more into the cell cavity (double-headed arrows) and the slim, short fibulae; C. Headpole detail; note the continuous distal raphe (arrow), multiseriate striae, and not rimmed inner openings of areolae; D. Footpole detail from A; note the interrupted distal raphe (two arrows) and marginal depressions (indicated by the black dotted line); E. Valve side view showing 2–5 portulae between two adjacent fibulae (arrows); F. Another side view showing the double and triple fibula. Scale bar: 10 μm (A, B), 2 μm (C – F).	Figure 6. Surirella ectorii sp. nov., internal view, SEM A, B. Two valves; note the raphe canal wall grows more into the cell cavity (double-headed arrows) and the slim, short fibulae; C. Headpole detail; note the continuous distal raphe (arrow), multiseriate striae, and not rimmed inner openings of areolae; D. Footpole detail from A; note the interrupted distal raphe (two arrows) and marginal depressions (indicated by the black dotted line); E. Valve side view showing 2–5 portulae between two adjacent fibulae (arrows); F. Another side view showing the double and triple fibula. Scale bar: 10 μm (A, B), 2 μm (C – F).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
73E489B8D4F95F6B96B226FD71670FA7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424837	https://doi.org/10.3897/phytokeys.263.162632.figure7	Figure 7. Surirella qinghainensis sp. nov., LM, × 1000 A – E. Five valves showing a size diminution series; note the distinctive costa-stria bundles (CSB) alternated with over-fibula ribs (labelled in E) and a marginal row of costae produced on the wall of raphe canal (B, arrows); B. Illustration of holotype specimen. Scale bar: 10 μm.	Figure 7. Surirella qinghainensis sp. nov., LM, × 1000 A – E. Five valves showing a size diminution series; note the distinctive costa-stria bundles (CSB) alternated with over-fibula ribs (labelled in E) and a marginal row of costae produced on the wall of raphe canal (B, arrows); B. Illustration of holotype specimen. Scale bar: 10 μm.	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
73E489B8D4F95F6B96B226FD71670FA7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424838	https://doi.org/10.3897/phytokeys.263.162632.figure8	Figure 8. Surirella qinghainensis sp. nov., external view, SEM A, B. Two complete valves; note the prominent siliceous warts scattered throughout the valve surface that is differentiated into three distinct areas (labelled A 1, A 2, and A 3 in B) and a marginal row of costae produced on the wall of the raphe canal (five arrows); C. Headpole detail from B; note the interrupted distal raphe endings (two white arrows); D. Footpole detail from B; note the costae, siliceous warts, reticulate thickenings, and interrupted distal raphe endings (two black arrows); E. Valve side detail showing a marginal row of costae (two double-headed arrows); F. Valve side detail showing the costa-stria bundles (CSB) and over-fibula ribs (OFR). Scale bar: 10 μm (A, B); 2 μm (C – F).	Figure 8. Surirella qinghainensis sp. nov., external view, SEM A, B. Two complete valves; note the prominent siliceous warts scattered throughout the valve surface that is differentiated into three distinct areas (labelled A 1, A 2, and A 3 in B) and a marginal row of costae produced on the wall of the raphe canal (five arrows); C. Headpole detail from B; note the interrupted distal raphe endings (two white arrows); D. Footpole detail from B; note the costae, siliceous warts, reticulate thickenings, and interrupted distal raphe endings (two black arrows); E. Valve side detail showing a marginal row of costae (two double-headed arrows); F. Valve side detail showing the costa-stria bundles (CSB) and over-fibula ribs (OFR). Scale bar: 10 μm (A, B); 2 μm (C – F).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
73E489B8D4F95F6B96B226FD71670FA7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424839	https://doi.org/10.3897/phytokeys.263.162632.figure9	Figure 9. Surirella qinghainensis sp. nov., external view, SEM A. A broken valve; B. Valve side detail showing the multiseriate striae and its outer openings; C. Mantle view from A; note each mantle sinking corresponding to each over-fibula rib (arrows); D. A broken part from A showing the strongly silicified valve and uniseriate striae near the valve midline. Scale bar: 10 μm (A); 2 μm (B – D).	Figure 9. Surirella qinghainensis sp. nov., external view, SEM A. A broken valve; B. Valve side detail showing the multiseriate striae and its outer openings; C. Mantle view from A; note each mantle sinking corresponding to each over-fibula rib (arrows); D. A broken part from A showing the strongly silicified valve and uniseriate striae near the valve midline. Scale bar: 10 μm (A); 2 μm (B – D).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
73E489B8D4F95F6B96B226FD71670FA7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424840	https://doi.org/10.3897/phytokeys.263.162632.figure10	Figure 10. Surirella qinghainensis sp. nov., internal view, SEM A. A complete valve; note the short fibulae; B. Footpole from A; note the multiseriate striae, the rimmed inner openings of areolae, and the interrupted distal raphe (two arrows); C. Headpole from A; note the continuous distal raphe (arrow); D. Valve side view showing the distribution of striae from valve margin to center; E, F. Other valve side views showing the marginal depressions and 2–4 portulae between two adjacent fibulae (arrows). Scale bar: 10 μm. (A); 2 μm (B – F).	Figure 10. Surirella qinghainensis sp. nov., internal view, SEM A. A complete valve; note the short fibulae; B. Footpole from A; note the multiseriate striae, the rimmed inner openings of areolae, and the interrupted distal raphe (two arrows); C. Headpole from A; note the continuous distal raphe (arrow); D. Valve side view showing the distribution of striae from valve margin to center; E, F. Other valve side views showing the marginal depressions and 2–4 portulae between two adjacent fibulae (arrows). Scale bar: 10 μm. (A); 2 μm (B – F).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
73E489B8D4F95F6B96B226FD71670FA7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1424841	https://doi.org/10.3897/phytokeys.263.162632.figure11	Figure 11. Surirella qinghainensis sp. nov., girdle band, SEM A. A girdle band, note its open nature; B. Detail from A showing details of the pars exterior and interior, the suture, and pervalvar striae. Scale bar: 10 μm (A); 1 μm (B).	Figure 11. Surirella qinghainensis sp. nov., girdle band, SEM A. A girdle band, note its open nature; B. Detail from A showing details of the pars exterior and interior, the suture, and pervalvar striae. Scale bar: 10 μm (A); 1 μm (B).	2025-09-26	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin		Zenodo	biologists	Ma, Ya-Lun;Peng, Qiao-Mu;Rioual, Patrick;Liu, Bing;Long, Ji-Yan;Yang, Bin			
