taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713850/files/figure.png	https://doi.org/10.5281/zenodo.16713850	FIGURES 3–5. Living cells of Lyreneis undulata. (3) Valve view. ch in arrows showing chloroplasts, nu in arrows showing nucleus and py in arrows showing pyrenoid. (4) Girdle view. ch in arrows chloroplasts and nu in arrows showing nucleus. Scale bar = 10 μm. (5) Valve view. Living cell attached to a sand grain. Scale bar = 10 μm.	FIGURES 3–5. Living cells of Lyreneis undulata. (3) Valve view. ch in arrows showing chloroplasts, nu in arrows showing nucleus and py in arrows showing pyrenoid. (4) Girdle view. ch in arrows chloroplasts and nu in arrows showing nucleus. Scale bar = 10 μm. (5) Valve view. Living cell attached to a sand grain. Scale bar = 10 μm.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713852/files/figure.png	https://doi.org/10.5281/zenodo.16713852	FIGURES 6–13. LM images of Lyreneis undulata. Valve views. Scale bar = 10 μm.	FIGURES 6–13. LM images of Lyreneis undulata. Valve views. Scale bar = 10 μm.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713856/files/figure.png	https://doi.org/10.5281/zenodo.16713856	FIGURES 14–17. SEM images of Lyreneis undulata. valve views. Lateral areas (lyre-shape structures) are not visible in either external or internal valve view. (13), (14) External valve views. Scale bar = 10 μm. (15), (16) Internal valve views. White arrows showing the concave area. Scale bar = 10 μm.	FIGURES 14–17. SEM images of Lyreneis undulata. valve views. Lateral areas (lyre-shape structures) are not visible in either external or internal valve view. (13), (14) External valve views. Scale bar = 10 μm. (15), (16) Internal valve views. White arrows showing the concave area. Scale bar = 10 μm.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713858/files/figure.png	https://doi.org/10.5281/zenodo.16713858	FIGURES 18–23. SEM images of the central area of Lyreneis undulata. Scale bar = 1 μm. (18–20) External central fissure, showing Tshaped central raphe endings and the central area. (21–23) Internal central fissure and central nodule.The internal views of the central area show hooked raphe endings. The deposition of silica is incomplete and cribra have not yet developed. The central endings of the interior raphe opening are straight, unlike the hooked structure present in fully silicified valves.	FIGURES 18–23. SEM images of the central area of Lyreneis undulata. Scale bar = 1 μm. (18–20) External central fissure, showing Tshaped central raphe endings and the central area. (21–23) Internal central fissure and central nodule.The internal views of the central area show hooked raphe endings. The deposition of silica is incomplete and cribra have not yet developed. The central endings of the interior raphe opening are straight, unlike the hooked structure present in fully silicified valves.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713860/files/figure.png	https://doi.org/10.5281/zenodo.16713860	FIGURES 24–31. SEM images of Lyreneis undulata. (24–26) External valve views. (27) and (28) Terminal fissure and puncta. The terminal fissure does not reach the tip of the terminal area in the external view. (26) Depression corresponding to the lateral area, puncta and raphe. (30) and (31) Internal valve and girdle views. (27) Terminal fissure and volate occlusions, showing the internal structure of the pole, where the raphe terminates in a helictoglossa. (28) Terminal fissure and helictoglossa. (29) Volate occlusions. (30) and (31) Band (internal views). Scale bar = 1 μm in (24–30) and 10 μm in (31).	FIGURES 24–31. SEM images of Lyreneis undulata. (24–26) External valve views. (27) and (28) Terminal fissure and puncta. The terminal fissure does not reach the tip of the terminal area in the external view. (26) Depression corresponding to the lateral area, puncta and raphe. (30) and (31) Internal valve and girdle views. (27) Terminal fissure and volate occlusions, showing the internal structure of the pole, where the raphe terminates in a helictoglossa. (28) Terminal fissure and helictoglossa. (29) Volate occlusions. (30) and (31) Band (internal views). Scale bar = 1 μm in (24–30) and 10 μm in (31).	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713848/files/figure.png	https://doi.org/10.5281/zenodo.16713848	FIGURES 1–2. Study area using Google Earth images. (1) Location of Imazu tidal flat in Japan. (2) Locations of sampling sites (s1– s16).	FIGURES 1–2. Study area using Google Earth images. (1) Location of Imazu tidal flat in Japan. (2) Locations of sampling sites (s1– s16).	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713862/files/figure.png	https://doi.org/10.5281/zenodo.16713862	FIGURES 32–36. LM and SEM images of Lyrella lyra obtained from Imazu tidal flat. (32) LM image. (33, 35, 36) SEM image of the external view. (34) SEM image of the internal view. Scale bar = 10 μm in (32, 33) and 5μm in (34–36).	FIGURES 32–36. LM and SEM images of Lyrella lyra obtained from Imazu tidal flat. (32) LM image. (33, 35, 36) SEM image of the external view. (34) SEM image of the internal view. Scale bar = 10 μm in (32, 33) and 5μm in (34–36).	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFDC67189BCE4A7BFAAF4D42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713864/files/figure.png	https://doi.org/10.5281/zenodo.16713864	FIGURES 37–41. LM and SEM images of Petroneis marina obtained from Imazu tidal flat. Scale bar = 10 μm in (37–39) and 5 μm in (40, 41). (37) LM image. (38, 40, 41) SEM image of the external view. (39) SEM image of the internal view.	FIGURES 37–41. LM and SEM images of Petroneis marina obtained from Imazu tidal flat. Scale bar = 10 μm in (37–39) and 5 μm in (40, 41). (37) LM image. (38, 40, 41) SEM image of the external view. (39) SEM image of the internal view.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFCC671D9BCE4F0AFF2C4D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713870/files/figure.png	https://doi.org/10.5281/zenodo.16713870	FIGURE 51. The phylogenetic tree of Lyreneis undulata and related strains determined using the Maximum Likelihood (ML) method with rbcL (GTR+G+I) gene. Accession numbers, taxonomic names and strain names follow localities for Japanese strains, and ML, NJ and BI bootstrap support values are indicated on branches (only values above 70 are shown).	FIGURE 51. The phylogenetic tree of Lyreneis undulata and related strains determined using the Maximum Likelihood (ML) method with rbcL (GTR+G+I) gene. Accession numbers, taxonomic names and strain names follow localities for Japanese strains, and ML, NJ and BI bootstrap support values are indicated on branches (only values above 70 are shown).	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFCC671D9BCE4F0AFF2C4D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713852/files/figure.png	https://doi.org/10.5281/zenodo.16713852	FIGURES 6–13. LM images of Lyreneis undulata. Valve views. Scale bar = 10 μm.	FIGURES 6–13. LM images of Lyreneis undulata. Valve views. Scale bar = 10 μm.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFCC671D9BCE4F0AFF2C4D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713856/files/figure.png	https://doi.org/10.5281/zenodo.16713856	FIGURES 14–17. SEM images of Lyreneis undulata. valve views. Lateral areas (lyre-shape structures) are not visible in either external or internal valve view. (13), (14) External valve views. Scale bar = 10 μm. (15), (16) Internal valve views. White arrows showing the concave area. Scale bar = 10 μm.	FIGURES 14–17. SEM images of Lyreneis undulata. valve views. Lateral areas (lyre-shape structures) are not visible in either external or internal valve view. (13), (14) External valve views. Scale bar = 10 μm. (15), (16) Internal valve views. White arrows showing the concave area. Scale bar = 10 μm.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFCC671D9BCE4F0AFF2C4D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713858/files/figure.png	https://doi.org/10.5281/zenodo.16713858	FIGURES 18–23. SEM images of the central area of Lyreneis undulata. Scale bar = 1 μm. (18–20) External central fissure, showing Tshaped central raphe endings and the central area. (21–23) Internal central fissure and central nodule.The internal views of the central area show hooked raphe endings. The deposition of silica is incomplete and cribra have not yet developed. The central endings of the interior raphe opening are straight, unlike the hooked structure present in fully silicified valves.	FIGURES 18–23. SEM images of the central area of Lyreneis undulata. Scale bar = 1 μm. (18–20) External central fissure, showing Tshaped central raphe endings and the central area. (21–23) Internal central fissure and central nodule.The internal views of the central area show hooked raphe endings. The deposition of silica is incomplete and cribra have not yet developed. The central endings of the interior raphe opening are straight, unlike the hooked structure present in fully silicified valves.	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
03C48792FFCC671D9BCE4F0AFF2C4D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16713860/files/figure.png	https://doi.org/10.5281/zenodo.16713860	FIGURES 24–31. SEM images of Lyreneis undulata. (24–26) External valve views. (27) and (28) Terminal fissure and puncta. The terminal fissure does not reach the tip of the terminal area in the external view. (26) Depression corresponding to the lateral area, puncta and raphe. (30) and (31) Internal valve and girdle views. (27) Terminal fissure and volate occlusions, showing the internal structure of the pole, where the raphe terminates in a helictoglossa. (28) Terminal fissure and helictoglossa. (29) Volate occlusions. (30) and (31) Band (internal views). Scale bar = 1 μm in (24–30) and 10 μm in (31).	FIGURES 24–31. SEM images of Lyreneis undulata. (24–26) External valve views. (27) and (28) Terminal fissure and puncta. The terminal fissure does not reach the tip of the terminal area in the external view. (26) Depression corresponding to the lateral area, puncta and raphe. (30) and (31) Internal valve and girdle views. (27) Terminal fissure and volate occlusions, showing the internal structure of the pole, where the raphe terminates in a helictoglossa. (28) Terminal fissure and helictoglossa. (29) Volate occlusions. (30) and (31) Band (internal views). Scale bar = 1 μm in (24–30) and 10 μm in (31).	2025-07-22	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu		Zenodo	biologists	Muto, Mizuka;Chiba, Takashi;Tuji, Akihiro;Horie, Yoshifumi;Fujibayashi, Megumu			
