taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
A5388564FFFF50205F2425FEFE65FE05.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632622/files/figure.png	https://doi.org/10.5281/zenodo.16632622	Fig. 2. Seafloor images. A–B. Psammina yokosukae sp. nov. A. Holotype, reg. no. TNS Pr691. B. Paratype, reg. no. TNS Pr693. C–D. Psammina contorta sp. nov. C. Paratype, reg. no. TNS Pr694. D. Holotype, reg. no. TNS Pr695; the rounded object on the left side is the ‘Pebble-shaped, honeycombed xenophyophore’ informally described below. The arrowhead (A) indicates the chimney-like feature referred to in the text.	Fig. 2. Seafloor images. A–B. Psammina yokosukae sp. nov. A. Holotype, reg. no. TNS Pr691. B. Paratype, reg. no. TNS Pr693. C–D. Psammina contorta sp. nov. C. Paratype, reg. no. TNS Pr694. D. Holotype, reg. no. TNS Pr695; the rounded object on the left side is the ‘Pebble-shaped, honeycombed xenophyophore’ informally described below. The arrowhead (A) indicates the chimney-like feature referred to in the text.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFFF50205F2425FEFE65FE05.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632624/files/figure.png	https://doi.org/10.5281/zenodo.16632624	Fig. 3. Psammina yokosukae sp. nov., holotype, reg. no. TNS Pr691. A–D. Micro-CT renders showing surface structures (A–B) and inner structures (C–D) of the test on the core surface. A. Oblique view from above. B. View from directly above. C. Side view showing concentric zones traversed by radial features. D. Detail of largest fan-shaped plate. E–G. Light photographs taken through the side of the plastic core tube.E. Main upstanding part of test. F–G. Two plates with concentric zones and low radial ridges. The arrowheads (A–C, G) indicate the chimney-like feature referred to in the text.	Fig. 3. Psammina yokosukae sp. nov., holotype, reg. no. TNS Pr691. A–D. Micro-CT renders showing surface structures (A–B) and inner structures (C–D) of the test on the core surface. A. Oblique view from above. B. View from directly above. C. Side view showing concentric zones traversed by radial features. D. Detail of largest fan-shaped plate. E–G. Light photographs taken through the side of the plastic core tube.E. Main upstanding part of test. F–G. Two plates with concentric zones and low radial ridges. The arrowheads (A–C, G) indicate the chimney-like feature referred to in the text.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFFF50205F2425FEFE65FE05.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632628/files/figure.png	https://doi.org/10.5281/zenodo.16632628	Fig. 4. Psammina yokosukae sp. nov., holotype, reg. no. TNS Pr691. A–B, E–F. Micro-CT renders of complete test from different angles, showing surface structure. C–D, G–H. Corresponding light photographs taken through the side of the plastic core tube; note optical distortion due to curvature of tube wall.	Fig. 4. Psammina yokosukae sp. nov., holotype, reg. no. TNS Pr691. A–B, E–F. Micro-CT renders of complete test from different angles, showing surface structure. C–D, G–H. Corresponding light photographs taken through the side of the plastic core tube; note optical distortion due to curvature of tube wall.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFFF50205F2425FEFE65FE05.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632634/files/figure.png	https://doi.org/10.5281/zenodo.16632634	Fig. 5. Stereo microscope images. A–C. Psammina contorta sp. nov. A. Fragment of holotype, reg. no. TNS Pr695.B. Fragment of paratype, reg. no. TNS Pr694.C. Detail of holotype surface.D–G. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. D. Outer surface of fragment. E. View of broken test edge showing wall and interior with dark stercomare. F. Closer view of test wall. G. Interior of fragment showing dark stercomare mass comprising accumulation of stercomata (tiny waste pellets) and two thin granellare branches (arrowed). A–D, F taken in Geneva; E, G taken at JAMSTEC.	Fig. 5. Stereo microscope images. A–C. Psammina contorta sp. nov. A. Fragment of holotype, reg. no. TNS Pr695.B. Fragment of paratype, reg. no. TNS Pr694.C. Detail of holotype surface.D–G. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. D. Outer surface of fragment. E. View of broken test edge showing wall and interior with dark stercomare. F. Closer view of test wall. G. Interior of fragment showing dark stercomare mass comprising accumulation of stercomata (tiny waste pellets) and two thin granellare branches (arrowed). A–D, F taken in Geneva; E, G taken at JAMSTEC.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFFF50205F2425FEFE65FE05.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632638/files/figure.png	https://doi.org/10.5281/zenodo.16632638	Fig. 6. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing outer surface with interior exposed at the edge. B–D. Progressively closer views of test surface. E. Detail showing outer surface of test and coarsergrained internal surface. F. Internal surface showing stercomare (arrowed). G. Broken showing vague internal partitions. H. Detail of stercomare showing stercomata and enclosing membrane.	Fig. 6. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing outer surface with interior exposed at the edge. B–D. Progressively closer views of test surface. E. Detail showing outer surface of test and coarsergrained internal surface. F. Internal surface showing stercomare (arrowed). G. Broken showing vague internal partitions. H. Detail of stercomare showing stercomata and enclosing membrane.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFFF50205F2425FEFE65FE05.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632640/files/figure.png	https://doi.org/10.5281/zenodo.16632640	Fig. 7. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing inner surface. B. Closer views of inner surface. C–D. Closer views of two other fragments. E–H. Granellare. E. Surface of granellare showing crinkled surface of organic tube. F. Fragment with ruptured part indicated by arrowhead. G. Detail of ruptured granellare showing thin organic tube and heterogeneous contents. H. Detail of ruptured granellare showing interior with inclusions, including a crystal (arrowed) that yielded an EDX peak for Ba. Arrowheads in B–D indicate granellare strands.	Fig. 7. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing inner surface. B. Closer views of inner surface. C–D. Closer views of two other fragments. E–H. Granellare. E. Surface of granellare showing crinkled surface of organic tube. F. Fragment with ruptured part indicated by arrowhead. G. Detail of ruptured granellare showing thin organic tube and heterogeneous contents. H. Detail of ruptured granellare showing interior with inclusions, including a crystal (arrowed) that yielded an EDX peak for Ba. Arrowheads in B–D indicate granellare strands.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFFF50205F2425FEFE65FE05.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632642/files/figure.png	https://doi.org/10.5281/zenodo.16632642	Fig. 8. Light microscope images. A–E. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. A. Test interior showing damaged stercomare; fine granellare strands also visible. B. Granellare fragments dissected from test for molecular analyses. C. Closer view of granellare fragments. D–E. Granellare fragments immersed in glycerol on a glass slide and viewed with transmitted light in compound microscope. F–G. Psammina contorta sp. nov., granellare fragments from paratype, reg. no. TNS Pr694, viewed in glycerol, as described for D–E. Images A–C were taken in Geneva, D–G in Southampton.	Fig. 8. Light microscope images. A–E. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. A. Test interior showing damaged stercomare; fine granellare strands also visible. B. Granellare fragments dissected from test for molecular analyses. C. Closer view of granellare fragments. D–E. Granellare fragments immersed in glycerol on a glass slide and viewed with transmitted light in compound microscope. F–G. Psammina contorta sp. nov., granellare fragments from paratype, reg. no. TNS Pr694, viewed in glycerol, as described for D–E. Images A–C were taken in Geneva, D–G in Southampton.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFF5503C5F3322E7FDADFCAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632622/files/figure.png	https://doi.org/10.5281/zenodo.16632622	Fig. 2. Seafloor images. A–B. Psammina yokosukae sp. nov. A. Holotype, reg. no. TNS Pr691. B. Paratype, reg. no. TNS Pr693. C–D. Psammina contorta sp. nov. C. Paratype, reg. no. TNS Pr694. D. Holotype, reg. no. TNS Pr695; the rounded object on the left side is the ‘Pebble-shaped, honeycombed xenophyophore’ informally described below. The arrowhead (A) indicates the chimney-like feature referred to in the text.	Fig. 2. Seafloor images. A–B. Psammina yokosukae sp. nov. A. Holotype, reg. no. TNS Pr691. B. Paratype, reg. no. TNS Pr693. C–D. Psammina contorta sp. nov. C. Paratype, reg. no. TNS Pr694. D. Holotype, reg. no. TNS Pr695; the rounded object on the left side is the ‘Pebble-shaped, honeycombed xenophyophore’ informally described below. The arrowhead (A) indicates the chimney-like feature referred to in the text.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFF5503C5F3322E7FDADFCAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632634/files/figure.png	https://doi.org/10.5281/zenodo.16632634	Fig. 5. Stereo microscope images. A–C. Psammina contorta sp. nov. A. Fragment of holotype, reg. no. TNS Pr695.B. Fragment of paratype, reg. no. TNS Pr694.C. Detail of holotype surface.D–G. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. D. Outer surface of fragment. E. View of broken test edge showing wall and interior with dark stercomare. F. Closer view of test wall. G. Interior of fragment showing dark stercomare mass comprising accumulation of stercomata (tiny waste pellets) and two thin granellare branches (arrowed). A–D, F taken in Geneva; E, G taken at JAMSTEC.	Fig. 5. Stereo microscope images. A–C. Psammina contorta sp. nov. A. Fragment of holotype, reg. no. TNS Pr695.B. Fragment of paratype, reg. no. TNS Pr694.C. Detail of holotype surface.D–G. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. D. Outer surface of fragment. E. View of broken test edge showing wall and interior with dark stercomare. F. Closer view of test wall. G. Interior of fragment showing dark stercomare mass comprising accumulation of stercomata (tiny waste pellets) and two thin granellare branches (arrowed). A–D, F taken in Geneva; E, G taken at JAMSTEC.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFF5503C5F3322E7FDADFCAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632642/files/figure.png	https://doi.org/10.5281/zenodo.16632642	Fig. 8. Light microscope images. A–E. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. A. Test interior showing damaged stercomare; fine granellare strands also visible. B. Granellare fragments dissected from test for molecular analyses. C. Closer view of granellare fragments. D–E. Granellare fragments immersed in glycerol on a glass slide and viewed with transmitted light in compound microscope. F–G. Psammina contorta sp. nov., granellare fragments from paratype, reg. no. TNS Pr694, viewed in glycerol, as described for D–E. Images A–C were taken in Geneva, D–G in Southampton.	Fig. 8. Light microscope images. A–E. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. A. Test interior showing damaged stercomare; fine granellare strands also visible. B. Granellare fragments dissected from test for molecular analyses. C. Closer view of granellare fragments. D–E. Granellare fragments immersed in glycerol on a glass slide and viewed with transmitted light in compound microscope. F–G. Psammina contorta sp. nov., granellare fragments from paratype, reg. no. TNS Pr694, viewed in glycerol, as described for D–E. Images A–C were taken in Geneva, D–G in Southampton.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFF5503C5F3322E7FDADFCAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632646/files/figure.png	https://doi.org/10.5281/zenodo.16632646	Fig. 9. Psammina contorta sp. nov., holotype, reg. no. TNS Pr695. A. Micro-CT render showing exterior surface of complete test, as seen from above; the rounded object is the ‘pebble-shaped, honeycombed xenophyophore’ (TNS Pr696) informally described below.B. Micro-CT render showing interior features of part of the test, viewed obliquely; note the apparent compartmentalization of the test interior. Note that both images include parallel stripes that are obviously artifacts. C–E. Light photographs of parts of the test seen through the curved wall of the core tube, which causes some optical distortion.	Fig. 9. Psammina contorta sp. nov., holotype, reg. no. TNS Pr695. A. Micro-CT render showing exterior surface of complete test, as seen from above; the rounded object is the ‘pebble-shaped, honeycombed xenophyophore’ (TNS Pr696) informally described below.B. Micro-CT render showing interior features of part of the test, viewed obliquely; note the apparent compartmentalization of the test interior. Note that both images include parallel stripes that are obviously artifacts. C–E. Light photographs of parts of the test seen through the curved wall of the core tube, which causes some optical distortion.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFF5503C5F3322E7FDADFCAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632648/files/figure.png	https://doi.org/10.5281/zenodo.16632648	Fig. 10. Psammina contorta sp. nov. paratype, reg. no. TNS Pr694. A–D. Micro-CT renders showing exterior surface of test. A. Complete test as seen from above. B. Oblique view of part of the test; note the cell-like pattern on the surface. C–D. Slightly oblique side views of the complete test. E–F. Light photographs of views similar to those shown in C–D, as seen through the curved wall of the core tube, which causes some optical distortion.	Fig. 10. Psammina contorta sp. nov. paratype, reg. no. TNS Pr694. A–D. Micro-CT renders showing exterior surface of test. A. Complete test as seen from above. B. Oblique view of part of the test; note the cell-like pattern on the surface. C–D. Slightly oblique side views of the complete test. E–F. Light photographs of views similar to those shown in C–D, as seen through the curved wall of the core tube, which causes some optical distortion.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFF5503C5F3322E7FDADFCAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632674/files/figure.png	https://doi.org/10.5281/zenodo.16632674	Fig. 22. Associations between xenophyophores within two cores from the 32.5° N, as seen in µCT renders (views from above), showing exterior surfaces. A. Core with Laminarena variabilis gen. et sp. nov., 32.5N form, reg. no. TNS Pr697 and undescribed smooth-walled xenophyophore. B. Core with Psammina contorta sp. nov., paratype, reg. no. TNS Pr694 and undescribed pebble-like xenophyophore (TNS Pr696).	Fig. 22. Associations between xenophyophores within two cores from the 32.5° N, as seen in µCT renders (views from above), showing exterior surfaces. A. Core with Laminarena variabilis gen. et sp. nov., 32.5N form, reg. no. TNS Pr697 and undescribed smooth-walled xenophyophore. B. Core with Psammina contorta sp. nov., paratype, reg. no. TNS Pr694 and undescribed pebble-like xenophyophore (TNS Pr696).	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFF5503C5F3322E7FDADFCAA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632628/files/figure.png	https://doi.org/10.5281/zenodo.16632628	Fig. 4. Psammina yokosukae sp. nov., holotype, reg. no. TNS Pr691. A–B, E–F. Micro-CT renders of complete test from different angles, showing surface structure. C–D, G–H. Corresponding light photographs taken through the side of the plastic core tube; note optical distortion due to curvature of tube wall.	Fig. 4. Psammina yokosukae sp. nov., holotype, reg. no. TNS Pr691. A–B, E–F. Micro-CT renders of complete test from different angles, showing surface structure. C–D, G–H. Corresponding light photographs taken through the side of the plastic core tube; note optical distortion due to curvature of tube wall.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632650/files/figure.png	https://doi.org/10.5281/zenodo.16632650	Fig. 11.Laminarena variabilis gen. et sp. nov., typical 30° N form, holotype, reg. no.TNS Pr700.A. Micro- CT render showing internal features of complete test, as seen from above. B. Light photograph showing side view of test as seen in through the core tube wall. C–H. Light photographs and corresponding µCT renders showing different side views of test. The light photographs are somewhat distorted as a result of being photographed through the curved core-tube wall, whereas the µCT renders show the true shape.	Fig. 11.Laminarena variabilis gen. et sp. nov., typical 30° N form, holotype, reg. no.TNS Pr700.A. Micro- CT render showing internal features of complete test, as seen from above. B. Light photograph showing side view of test as seen in through the core tube wall. C–H. Light photographs and corresponding µCT renders showing different side views of test. The light photographs are somewhat distorted as a result of being photographed through the curved core-tube wall, whereas the µCT renders show the true shape.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632652/files/figure.png	https://doi.org/10.5281/zenodo.16632652	Fig. 12. Laminarena variabilis gen. et sp. nov., paratype, typical 30° N form, reg. no. TNS Pr699. Micro- CT renders showing exterior surface of test from different angles, and corresponding light photographs taken through the curved wall of the core tube. Note that the light photographs are somewhat distorted whereas the µCT renders show the true shape of the test.	Fig. 12. Laminarena variabilis gen. et sp. nov., paratype, typical 30° N form, reg. no. TNS Pr699. Micro- CT renders showing exterior surface of test from different angles, and corresponding light photographs taken through the curved wall of the core tube. Note that the light photographs are somewhat distorted whereas the µCT renders show the true shape of the test.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632654/files/figure.png	https://doi.org/10.5281/zenodo.16632654	Fig. 13. Laminarena variabilis gen. et sp. nov., typical 30° N form, paratype, reg. no. TNS Pr699. A–C. Micro-CT renders showing exterior surface of test; note surface expression of internal structure. A. View from directly above. B. Oblique top view showing the other side of the test. C. Oblique side view. D. 3D µCT reconstruction of X-ray dense internal features interpreted as granellare strands filled with barite crystals; orientation of the specimens was similar to that shown in Fig. C. E–F. Micro-CT renders showing details of the test interior. The white roughly linear, radial structures are interpreted as granellare strands; note also, particularly in Fig. F, the presence of some strands running horizontally, parallel to the base of the concentric zones.	Fig. 13. Laminarena variabilis gen. et sp. nov., typical 30° N form, paratype, reg. no. TNS Pr699. A–C. Micro-CT renders showing exterior surface of test; note surface expression of internal structure. A. View from directly above. B. Oblique top view showing the other side of the test. C. Oblique side view. D. 3D µCT reconstruction of X-ray dense internal features interpreted as granellare strands filled with barite crystals; orientation of the specimens was similar to that shown in Fig. C. E–F. Micro-CT renders showing details of the test interior. The white roughly linear, radial structures are interpreted as granellare strands; note also, particularly in Fig. F, the presence of some strands running horizontally, parallel to the base of the concentric zones.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632656/files/figure.png	https://doi.org/10.5281/zenodo.16632656	Fig. 14. Laminarena variabilis gen. et sp. nov., typical 30° N form, stereo microscope photographs of fragments of two additional specimens. A–D. Additional specimen reg. no. TNS Pr705. A. Fragment of test showing parts of several concentric zones, one of them with low radial ridges. The direction of growth is from top to bottom. B. Detail of boundary between two concentric zones. C–D. Broken cross sections across concentric zones; note the overlap between successive zones. The direction of growth is from left to right. E–F. Additional specimen reg. no. TNS Pr702. E. Broken section across radial features showing internal partitions. F. Internal surface of test wall showing partitions.	Fig. 14. Laminarena variabilis gen. et sp. nov., typical 30° N form, stereo microscope photographs of fragments of two additional specimens. A–D. Additional specimen reg. no. TNS Pr705. A. Fragment of test showing parts of several concentric zones, one of them with low radial ridges. The direction of growth is from top to bottom. B. Detail of boundary between two concentric zones. C–D. Broken cross sections across concentric zones; note the overlap between successive zones. The direction of growth is from left to right. E–F. Additional specimen reg. no. TNS Pr702. E. Broken section across radial features showing internal partitions. F. Internal surface of test wall showing partitions.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632658/files/figure.png	https://doi.org/10.5281/zenodo.16632658	Fig. 15. Laminarena variabilis gen. et sp. nov., typical 30° N form, SEM images (secondary electron mode) of two fragments of additional specimen reg. no. TNS Pr705. A. First fragment. B. Second fragment. C–D. Details of the second fragment showing boundary between concentric zones (direction of growth from right to left); note the increase in grain size of the agglutinated particles at the base of the new zone. E. Detail of agglutinated surface of the younger zone. F. Detail of agglutinated surface of the older zone.	Fig. 15. Laminarena variabilis gen. et sp. nov., typical 30° N form, SEM images (secondary electron mode) of two fragments of additional specimen reg. no. TNS Pr705. A. First fragment. B. Second fragment. C–D. Details of the second fragment showing boundary between concentric zones (direction of growth from right to left); note the increase in grain size of the agglutinated particles at the base of the new zone. E. Detail of agglutinated surface of the younger zone. F. Detail of agglutinated surface of the older zone.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632660/files/figure.png	https://doi.org/10.5281/zenodo.16632660	Fig. 16. Laminarena variabilis gen. et sp. nov., typical 30° N form, paratype, reg. no. TNS Pr699. A–B. Stereo microscope images. A. Test interior showing damaged stercomare and granellare strands running between the internal partitions. B. Granellare strands dissected for genetic analysis. C–D. SEM images (low vacuum, backscatter mode) of granellare strand. C. Overview to show large numbers of barite crystals, clearly seen where the granellare tube has disintergrated; remnants of the flimsy tube remain in places. D. Detail of crystals; note that some are interrupted by deep, sometimes rectangular, depressions. A–B taken in Geneva.	Fig. 16. Laminarena variabilis gen. et sp. nov., typical 30° N form, paratype, reg. no. TNS Pr699. A–B. Stereo microscope images. A. Test interior showing damaged stercomare and granellare strands running between the internal partitions. B. Granellare strands dissected for genetic analysis. C–D. SEM images (low vacuum, backscatter mode) of granellare strand. C. Overview to show large numbers of barite crystals, clearly seen where the granellare tube has disintergrated; remnants of the flimsy tube remain in places. D. Detail of crystals; note that some are interrupted by deep, sometimes rectangular, depressions. A–B taken in Geneva.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632662/files/figure.png	https://doi.org/10.5281/zenodo.16632662	Fig. 17. Laminarena variabilis gen. et sp. nov., 32.5° N form. A–F. Specimen reg. no. TNS Pr697. A–D. Micro-CT renders. A. Oblique view of test from above showing surface features. B. Side view showing internal features. C. Detail of internal features of text extremities. D. Detail of test surface. E–F. Light photographs showing side views of test as seen through the core tube wall. E. Complete test. F. Detail showing concentric zones. G–H. Specimen reg. no. TNS Pr714. G. Complete specimen. H. Large fan-shaped extremity showing concentric zones and radial ridges. Note that the lightphotographs are somewhat distorted by the curvature of the tube wall.	Fig. 17. Laminarena variabilis gen. et sp. nov., 32.5° N form. A–F. Specimen reg. no. TNS Pr697. A–D. Micro-CT renders. A. Oblique view of test from above showing surface features. B. Side view showing internal features. C. Detail of internal features of text extremities. D. Detail of test surface. E–F. Light photographs showing side views of test as seen through the core tube wall. E. Complete test. F. Detail showing concentric zones. G–H. Specimen reg. no. TNS Pr714. G. Complete specimen. H. Large fan-shaped extremity showing concentric zones and radial ridges. Note that the lightphotographs are somewhat distorted by the curvature of the tube wall.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632666/files/figure.png	https://doi.org/10.5281/zenodo.16632666	Fig. 18. Laminarena variabilis gen. et sp. nov., 32.5° N form; stereo microscope images. A–B. Specimen reg. no. TNS Pr697. A. Entire fragment; this is the same part of the test as that illustrated in Fig. 17B. B. Detail of test surface. C–H. Specimen reg. no. TNS Pr714. C. Entire fragment showing concentric zones and low radial ridges. D. Broken edge of fragment with poorly developed partitions. E. Another broken edge of the same fragment with clearly developed partitions. F. Fragment broken open to show dark stercomare and pale granellare strands. G. Detail of granellare and stercomare. H. Detail showing stercomare and granellare in close proximity. I. Fragment of specimen reg. no. TNS Pr697 broken open to show stercomare and granellare, similar to those of specimen TNS Pr714. All images taken at JAMSTEC.	Fig. 18. Laminarena variabilis gen. et sp. nov., 32.5° N form; stereo microscope images. A–B. Specimen reg. no. TNS Pr697. A. Entire fragment; this is the same part of the test as that illustrated in Fig. 17B. B. Detail of test surface. C–H. Specimen reg. no. TNS Pr714. C. Entire fragment showing concentric zones and low radial ridges. D. Broken edge of fragment with poorly developed partitions. E. Another broken edge of the same fragment with clearly developed partitions. F. Fragment broken open to show dark stercomare and pale granellare strands. G. Detail of granellare and stercomare. H. Detail showing stercomare and granellare in close proximity. I. Fragment of specimen reg. no. TNS Pr697 broken open to show stercomare and granellare, similar to those of specimen TNS Pr714. All images taken at JAMSTEC.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632668/files/figure.png	https://doi.org/10.5281/zenodo.16632668	Fig. 19. Laminarena variabilis gen. et sp. nov., 32.5° N form. SEM images (low vacuum, backscatter mode). A–E. Specimen reg. no. TNS Pr714. A. Inner surface of fragment with partitions and stercomare. B–E. Granellare strand. B. Overview of strand. C–D. closer view of surface of granellare with areas of exposed barite crystals, apparently where the thin granellare tube has ruptured. E. Detail of granellare surface; the organic-walled tube appears crinkled but intact, obscuring any crystals that might be present beneath. F. Detail of barite crystals; note that a few have deep shadowed depressions. G–H. Specimen reg. no. TNS Pr697. G. Overview, including granellare strand. H. Detail of surface with the granellare tube apparently intact.	Fig. 19. Laminarena variabilis gen. et sp. nov., 32.5° N form. SEM images (low vacuum, backscatter mode). A–E. Specimen reg. no. TNS Pr714. A. Inner surface of fragment with partitions and stercomare. B–E. Granellare strand. B. Overview of strand. C–D. closer view of surface of granellare with areas of exposed barite crystals, apparently where the thin granellare tube has ruptured. E. Detail of granellare surface; the organic-walled tube appears crinkled but intact, obscuring any crystals that might be present beneath. F. Detail of barite crystals; note that a few have deep shadowed depressions. G–H. Specimen reg. no. TNS Pr697. G. Overview, including granellare strand. H. Detail of surface with the granellare tube apparently intact.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632672/files/figure.png	https://doi.org/10.5281/zenodo.16632672	Fig. 21. Associated organisms. A. Laminarena variabilis gen. et sp. nov., 32.5° N form, specimen reg. no. TNS Pr697; amphipod sheltering beneath a plate. B–E. Laminarena variabilis, typical 30° N form, specimen reg. no. TNS Pr705. B. Polychaete tube. C. Calcareous polychaete (serpulid) tube. D. Cocoon of the platyhelminth Fecampia abyssicola Christensen, 1981; the neat hole was possibly made by a gastropod. E. Indeterminate ‘polyp’.	Fig. 21. Associated organisms. A. Laminarena variabilis gen. et sp. nov., 32.5° N form, specimen reg. no. TNS Pr697; amphipod sheltering beneath a plate. B–E. Laminarena variabilis, typical 30° N form, specimen reg. no. TNS Pr705. B. Polychaete tube. C. Calcareous polychaete (serpulid) tube. D. Cocoon of the platyhelminth Fecampia abyssicola Christensen, 1981; the neat hole was possibly made by a gastropod. E. Indeterminate ‘polyp’.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632674/files/figure.png	https://doi.org/10.5281/zenodo.16632674	Fig. 22. Associations between xenophyophores within two cores from the 32.5° N, as seen in µCT renders (views from above), showing exterior surfaces. A. Core with Laminarena variabilis gen. et sp. nov., 32.5N form, reg. no. TNS Pr697 and undescribed smooth-walled xenophyophore. B. Core with Psammina contorta sp. nov., paratype, reg. no. TNS Pr694 and undescribed pebble-like xenophyophore (TNS Pr696).	Fig. 22. Associations between xenophyophores within two cores from the 32.5° N, as seen in µCT renders (views from above), showing exterior surfaces. A. Core with Laminarena variabilis gen. et sp. nov., 32.5N form, reg. no. TNS Pr697 and undescribed smooth-walled xenophyophore. B. Core with Psammina contorta sp. nov., paratype, reg. no. TNS Pr694 and undescribed pebble-like xenophyophore (TNS Pr696).	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632638/files/figure.png	https://doi.org/10.5281/zenodo.16632638	Fig. 6. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing outer surface with interior exposed at the edge. B–D. Progressively closer views of test surface. E. Detail showing outer surface of test and coarsergrained internal surface. F. Internal surface showing stercomare (arrowed). G. Broken showing vague internal partitions. H. Detail of stercomare showing stercomata and enclosing membrane.	Fig. 6. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing outer surface with interior exposed at the edge. B–D. Progressively closer views of test surface. E. Detail showing outer surface of test and coarsergrained internal surface. F. Internal surface showing stercomare (arrowed). G. Broken showing vague internal partitions. H. Detail of stercomare showing stercomata and enclosing membrane.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632640/files/figure.png	https://doi.org/10.5281/zenodo.16632640	Fig. 7. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing inner surface. B. Closer views of inner surface. C–D. Closer views of two other fragments. E–H. Granellare. E. Surface of granellare showing crinkled surface of organic tube. F. Fragment with ruptured part indicated by arrowhead. G. Detail of ruptured granellare showing thin organic tube and heterogeneous contents. H. Detail of ruptured granellare showing interior with inclusions, including a crystal (arrowed) that yielded an EDX peak for Ba. Arrowheads in B–D indicate granellare strands.	Fig. 7. Psammina yokosukae sp. nov., SEM images (secondary electron mode) of fragment of paratype, reg. no. TNS Pr693. A. Entire test fragment showing inner surface. B. Closer views of inner surface. C–D. Closer views of two other fragments. E–H. Granellare. E. Surface of granellare showing crinkled surface of organic tube. F. Fragment with ruptured part indicated by arrowhead. G. Detail of ruptured granellare showing thin organic tube and heterogeneous contents. H. Detail of ruptured granellare showing interior with inclusions, including a crystal (arrowed) that yielded an EDX peak for Ba. Arrowheads in B–D indicate granellare strands.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632642/files/figure.png	https://doi.org/10.5281/zenodo.16632642	Fig. 8. Light microscope images. A–E. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. A. Test interior showing damaged stercomare; fine granellare strands also visible. B. Granellare fragments dissected from test for molecular analyses. C. Closer view of granellare fragments. D–E. Granellare fragments immersed in glycerol on a glass slide and viewed with transmitted light in compound microscope. F–G. Psammina contorta sp. nov., granellare fragments from paratype, reg. no. TNS Pr694, viewed in glycerol, as described for D–E. Images A–C were taken in Geneva, D–G in Southampton.	Fig. 8. Light microscope images. A–E. Psammina yokosukae sp. nov., fragments of holotype, reg. no. TNS Pr691. A. Test interior showing damaged stercomare; fine granellare strands also visible. B. Granellare fragments dissected from test for molecular analyses. C. Closer view of granellare fragments. D–E. Granellare fragments immersed in glycerol on a glass slide and viewed with transmitted light in compound microscope. F–G. Psammina contorta sp. nov., granellare fragments from paratype, reg. no. TNS Pr694, viewed in glycerol, as described for D–E. Images A–C were taken in Geneva, D–G in Southampton.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632646/files/figure.png	https://doi.org/10.5281/zenodo.16632646	Fig. 9. Psammina contorta sp. nov., holotype, reg. no. TNS Pr695. A. Micro-CT render showing exterior surface of complete test, as seen from above; the rounded object is the ‘pebble-shaped, honeycombed xenophyophore’ (TNS Pr696) informally described below.B. Micro-CT render showing interior features of part of the test, viewed obliquely; note the apparent compartmentalization of the test interior. Note that both images include parallel stripes that are obviously artifacts. C–E. Light photographs of parts of the test seen through the curved wall of the core tube, which causes some optical distortion.	Fig. 9. Psammina contorta sp. nov., holotype, reg. no. TNS Pr695. A. Micro-CT render showing exterior surface of complete test, as seen from above; the rounded object is the ‘pebble-shaped, honeycombed xenophyophore’ (TNS Pr696) informally described below.B. Micro-CT render showing interior features of part of the test, viewed obliquely; note the apparent compartmentalization of the test interior. Note that both images include parallel stripes that are obviously artifacts. C–E. Light photographs of parts of the test seen through the curved wall of the core tube, which causes some optical distortion.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
A5388564FFEE500D5F762219FBDBF9D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16632648/files/figure.png	https://doi.org/10.5281/zenodo.16632648	Fig. 10. Psammina contorta sp. nov. paratype, reg. no. TNS Pr694. A–D. Micro-CT renders showing exterior surface of test. A. Complete test as seen from above. B. Oblique view of part of the test; note the cell-like pattern on the surface. C–D. Slightly oblique side views of the complete test. E–F. Light photographs of views similar to those shown in C–D, as seen through the curved wall of the core tube, which causes some optical distortion.	Fig. 10. Psammina contorta sp. nov. paratype, reg. no. TNS Pr694. A–D. Micro-CT renders showing exterior surface of test. A. Complete test as seen from above. B. Oblique view of part of the test; note the cell-like pattern on the surface. C–D. Slightly oblique side views of the complete test. E–F. Light photographs of views similar to those shown in C–D, as seen through the curved wall of the core tube, which causes some optical distortion.	2025-07-22	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka		Zenodo	biologists	Gooday, Andrew J.;Ishitani, Yoshiyuki;Chen, Chong;Holzmann, Maria;Richirt, Julien;Seike, Koji;Yamashita, Momo;Tsuchiya, Masashi;Nomaki, Hidetaka			
