taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
AF5787804868FD57FFD1F96BCB13FA90.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651683/files/figure.png	https://doi.org/10.5281/zenodo.13651683	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804868FD57FFD1F96BCB13FA90.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651661/files/figure.png	https://doi.org/10.5281/zenodo.13651661	Fig. 2. Schematic drawings of rhabdosomes showing coloured thecal framework and ancora sleeve structures with lists and postulated membrane of Spinograptus praerobustus (Lenz and Kozłowska−Dawidziuk, 2002) and Plectograptus Moberg and Törnquist, 1909. A. Fragment of medial part of rhabdosome of S. robustus: thecate part of rhabdosome (A1), thecate part and ancora sleeve (A2). B. Proximal fragment of illustrating the position of actual thecal aperture and proximal orifices. C. Fragment of Plectograptus rhabdosome with postulated membranes, common canals and thecal aperture.	Fig. 2. Schematic drawings of rhabdosomes showing coloured thecal framework and ancora sleeve structures with lists and postulated membrane of Spinograptus praerobustus (Lenz and Kozłowska−Dawidziuk, 2002) and Plectograptus Moberg and Törnquist, 1909. A. Fragment of medial part of rhabdosome of S. robustus: thecate part of rhabdosome (A1), thecate part and ancora sleeve (A2). B. Proximal fragment of illustrating the position of actual thecal aperture and proximal orifices. C. Fragment of Plectograptus rhabdosome with postulated membranes, common canals and thecal aperture.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804868FD57FFD1F96BCB13FA90.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651665/files/figure.png	https://doi.org/10.5281/zenodo.13651665	Fig. 3. Proximal end of Plectograptus toernquisti sp. nov. A. Schematic drawing with insertion seams on ancora umbrella in black, arrow indicates the change from ancora umbrella rim to pleural list (the small curved “twigs” are fusellar shards). The numbers 1–5 are indicative of radial lists reaching the rim only, the letters A–E shows five meshes of ancora umbrella, the solid color region indicating the extent of the ancora umbrella. B–G. SEM micrographs of fragments showing ancora umbrella. B. Ancora umbrella and pre−th 12 orifice, arrow indicates the change from ancora umbrella rim to pleural list, NMW 91.52G.1698, Bramsche, Baltic erratic boulder Nr. B9/96, Germany, Gorstian, Lower Ludlow. C. Ancora umbrella from the outside, NMW 91.52G.1701, Baltic erratic boulder, Stoltera, Germany, Gorstian. D. Outside view of pre−th12 orifice with complete list of ancora umbrella rim (arrow), NMW 91.52G.1697, Baltic erratic boulder B4/97, Nienhagen, Germany, Gorstian. E. Outside view of ancora umbrella ZPAL G.39/2, st. A92, Jarosławiec, Baltic erratic boulder Nr. 22, Poland, Ludlow; E, whole ancora umbrella; E, outside view of part of ancora umbrella region arrowed on A. + 1 2	Fig. 3. Proximal end of Plectograptus toernquisti sp. nov. A. Schematic drawing with insertion seams on ancora umbrella in black, arrow indicates the change from ancora umbrella rim to pleural list (the small curved “twigs” are fusellar shards). The numbers 1–5 are indicative of radial lists reaching the rim only, the letters A–E shows five meshes of ancora umbrella, the solid color region indicating the extent of the ancora umbrella. B–G. SEM micrographs of fragments showing ancora umbrella. B. Ancora umbrella and pre−th 12 orifice, arrow indicates the change from ancora umbrella rim to pleural list, NMW 91.52G.1698, Bramsche, Baltic erratic boulder Nr. B9/96, Germany, Gorstian, Lower Ludlow. C. Ancora umbrella from the outside, NMW 91.52G.1701, Baltic erratic boulder, Stoltera, Germany, Gorstian. D. Outside view of pre−th12 orifice with complete list of ancora umbrella rim (arrow), NMW 91.52G.1697, Baltic erratic boulder B4/97, Nienhagen, Germany, Gorstian. E. Outside view of ancora umbrella ZPAL G.39/2, st. A92, Jarosławiec, Baltic erratic boulder Nr. 22, Poland, Ludlow; E, whole ancora umbrella; E, outside view of part of ancora umbrella region arrowed on A. + 1 2	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804868FD57FFD1F96BCB13FA90.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651669/files/figure.png	https://doi.org/10.5281/zenodo.13651669	Fig. 4. Schematic diagrams of the ancora sleeve growth in Plectograptus Moberg and Törnquist, 1909. Numbers indicate the order of growth of ancora sleeve panels. A. P. mobergi sp. nov. with triple junctions of lists (arrows). B. P. toernquisti sp. nov. with quadruple junctions of lists (arrows).	Fig. 4. Schematic diagrams of the ancora sleeve growth in Plectograptus Moberg and Törnquist, 1909. Numbers indicate the order of growth of ancora sleeve panels. A. P. mobergi sp. nov. with triple junctions of lists (arrows). B. P. toernquisti sp. nov. with quadruple junctions of lists (arrows).	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF578780486CFD59FFD1FAACCBB3F914.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651683/files/figure.png	https://doi.org/10.5281/zenodo.13651683	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804862FD59FFD1F8D4CD50FA00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651665/files/figure.png	https://doi.org/10.5281/zenodo.13651665	Fig. 3. Proximal end of Plectograptus toernquisti sp. nov. A. Schematic drawing with insertion seams on ancora umbrella in black, arrow indicates the change from ancora umbrella rim to pleural list (the small curved “twigs” are fusellar shards). The numbers 1–5 are indicative of radial lists reaching the rim only, the letters A–E shows five meshes of ancora umbrella, the solid color region indicating the extent of the ancora umbrella. B–G. SEM micrographs of fragments showing ancora umbrella. B. Ancora umbrella and pre−th 12 orifice, arrow indicates the change from ancora umbrella rim to pleural list, NMW 91.52G.1698, Bramsche, Baltic erratic boulder Nr. B9/96, Germany, Gorstian, Lower Ludlow. C. Ancora umbrella from the outside, NMW 91.52G.1701, Baltic erratic boulder, Stoltera, Germany, Gorstian. D. Outside view of pre−th12 orifice with complete list of ancora umbrella rim (arrow), NMW 91.52G.1697, Baltic erratic boulder B4/97, Nienhagen, Germany, Gorstian. E. Outside view of ancora umbrella ZPAL G.39/2, st. A92, Jarosławiec, Baltic erratic boulder Nr. 22, Poland, Ludlow; E, whole ancora umbrella; E, outside view of part of ancora umbrella region arrowed on A. + 1 2	Fig. 3. Proximal end of Plectograptus toernquisti sp. nov. A. Schematic drawing with insertion seams on ancora umbrella in black, arrow indicates the change from ancora umbrella rim to pleural list (the small curved “twigs” are fusellar shards). The numbers 1–5 are indicative of radial lists reaching the rim only, the letters A–E shows five meshes of ancora umbrella, the solid color region indicating the extent of the ancora umbrella. B–G. SEM micrographs of fragments showing ancora umbrella. B. Ancora umbrella and pre−th 12 orifice, arrow indicates the change from ancora umbrella rim to pleural list, NMW 91.52G.1698, Bramsche, Baltic erratic boulder Nr. B9/96, Germany, Gorstian, Lower Ludlow. C. Ancora umbrella from the outside, NMW 91.52G.1701, Baltic erratic boulder, Stoltera, Germany, Gorstian. D. Outside view of pre−th12 orifice with complete list of ancora umbrella rim (arrow), NMW 91.52G.1697, Baltic erratic boulder B4/97, Nienhagen, Germany, Gorstian. E. Outside view of ancora umbrella ZPAL G.39/2, st. A92, Jarosławiec, Baltic erratic boulder Nr. 22, Poland, Ludlow; E, whole ancora umbrella; E, outside view of part of ancora umbrella region arrowed on A. + 1 2	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804862FD59FFD1F8D4CD50FA00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651675/files/figure.png	https://doi.org/10.5281/zenodo.13651675	Fig. 7. SEM micrographs of Plectograptus toernquisti sp. nov. mature rhabdosome, NMW 91.52G.1702, holotype, Baltic erratic boulder No. B9/96, Bramsche, Germany, Gorstian. A. Ventral view. B. Stereopair of the obverse view of specimen. C. Oblique view looking distally. D. Proximal view. Scale bars 1 mm.	Fig. 7. SEM micrographs of Plectograptus toernquisti sp. nov. mature rhabdosome, NMW 91.52G.1702, holotype, Baltic erratic boulder No. B9/96, Bramsche, Germany, Gorstian. A. Ventral view. B. Stereopair of the obverse view of specimen. C. Oblique view looking distally. D. Proximal view. Scale bars 1 mm.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804862FD59FFD1F8D4CD50FA00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651669/files/figure.png	https://doi.org/10.5281/zenodo.13651669	Fig. 4. Schematic diagrams of the ancora sleeve growth in Plectograptus Moberg and Törnquist, 1909. Numbers indicate the order of growth of ancora sleeve panels. A. P. mobergi sp. nov. with triple junctions of lists (arrows). B. P. toernquisti sp. nov. with quadruple junctions of lists (arrows).	Fig. 4. Schematic diagrams of the ancora sleeve growth in Plectograptus Moberg and Törnquist, 1909. Numbers indicate the order of growth of ancora sleeve panels. A. P. mobergi sp. nov. with triple junctions of lists (arrows). B. P. toernquisti sp. nov. with quadruple junctions of lists (arrows).	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804862FD5DFC9BFA3FC8CBFC32.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651679/files/figure.png	https://doi.org/10.5281/zenodo.13651679	Fig. 8. SEM micrographs of Plectograptus mobergi sp. nov. A. Immature rhabdosome, ZPAL G.27/1, Baltic erratic boulder No. 46, Jarosławiec, Poland, Ludlow; A1, reverse view of proximal fragment, triple junctions of ancora sleeve with pleural lists indicated by arrows; A2, inside view showing shape of ancora umbrella and shape of rhabdosome in cross section; A, enlargement with part of ancora umbrella and theca 12; A, outside view of ancora umbrella 3 4 proximal to theca 11. B. Obverse view of rhabdosome with three pairs of thecae and long virgella preserved, holotype, Stoltera, Germany, MB.G 1091, Stoltera, Germany, Ludlow. C. Oblique view of theca 11 side of immature specimen, ZPAL G.39/3, Mielnik borehole, depth 978.9 m, Poland, Ludlow. Note that the obverse and reverse lists of the ancora umbrella are unusually long, and have portions of the ancora rim attached to them. D. Mature rhabdosome, with malformation and regeneration in the distal part of the rhabdosome, ZPAL G.39/4, Jarosławiec, Baltic erratic boulder No. 54, Poland, Ludlow: D, reverse view of rhabdosome—stereopair; D, ventral view of theca 11 side.	Fig. 8. SEM micrographs of Plectograptus mobergi sp. nov. A. Immature rhabdosome, ZPAL G.27/1, Baltic erratic boulder No. 46, Jarosławiec, Poland, Ludlow; A1, reverse view of proximal fragment, triple junctions of ancora sleeve with pleural lists indicated by arrows; A2, inside view showing shape of ancora umbrella and shape of rhabdosome in cross section; A, enlargement with part of ancora umbrella and theca 12; A, outside view of ancora umbrella 3 4 proximal to theca 11. B. Obverse view of rhabdosome with three pairs of thecae and long virgella preserved, holotype, Stoltera, Germany, MB.G 1091, Stoltera, Germany, Ludlow. C. Oblique view of theca 11 side of immature specimen, ZPAL G.39/3, Mielnik borehole, depth 978.9 m, Poland, Ludlow. Note that the obverse and reverse lists of the ancora umbrella are unusually long, and have portions of the ancora rim attached to them. D. Mature rhabdosome, with malformation and regeneration in the distal part of the rhabdosome, ZPAL G.39/4, Jarosławiec, Baltic erratic boulder No. 54, Poland, Ludlow: D, reverse view of rhabdosome—stereopair; D, ventral view of theca 11 side.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804862FD5DFC9BFA3FC8CBFC32.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651669/files/figure.png	https://doi.org/10.5281/zenodo.13651669	Fig. 4. Schematic diagrams of the ancora sleeve growth in Plectograptus Moberg and Törnquist, 1909. Numbers indicate the order of growth of ancora sleeve panels. A. P. mobergi sp. nov. with triple junctions of lists (arrows). B. P. toernquisti sp. nov. with quadruple junctions of lists (arrows).	Fig. 4. Schematic diagrams of the ancora sleeve growth in Plectograptus Moberg and Törnquist, 1909. Numbers indicate the order of growth of ancora sleeve panels. A. P. mobergi sp. nov. with triple junctions of lists (arrows). B. P. toernquisti sp. nov. with quadruple junctions of lists (arrows).	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804862FD5DFC9BFA3FC8CBFC32.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651661/files/figure.png	https://doi.org/10.5281/zenodo.13651661	Fig. 2. Schematic drawings of rhabdosomes showing coloured thecal framework and ancora sleeve structures with lists and postulated membrane of Spinograptus praerobustus (Lenz and Kozłowska−Dawidziuk, 2002) and Plectograptus Moberg and Törnquist, 1909. A. Fragment of medial part of rhabdosome of S. robustus: thecate part of rhabdosome (A1), thecate part and ancora sleeve (A2). B. Proximal fragment of illustrating the position of actual thecal aperture and proximal orifices. C. Fragment of Plectograptus rhabdosome with postulated membranes, common canals and thecal aperture.	Fig. 2. Schematic drawings of rhabdosomes showing coloured thecal framework and ancora sleeve structures with lists and postulated membrane of Spinograptus praerobustus (Lenz and Kozłowska−Dawidziuk, 2002) and Plectograptus Moberg and Törnquist, 1909. A. Fragment of medial part of rhabdosome of S. robustus: thecate part of rhabdosome (A1), thecate part and ancora sleeve (A2). B. Proximal fragment of illustrating the position of actual thecal aperture and proximal orifices. C. Fragment of Plectograptus rhabdosome with postulated membranes, common canals and thecal aperture.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804862FD5DFC9BFA3FC8CBFC32.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651683/files/figure.png	https://doi.org/10.5281/zenodo.13651683	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
AF5787804866FD5DFFD1FBCBCD8DFE0C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13651683/files/figure.png	https://doi.org/10.5281/zenodo.13651683	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	Fig. 9. A. SEM micrographs of Plectograptus trijunctus sp. nov., holotype ZPAL G.27/2, Bartoszyce borehole, depth 1627 m, EEP, Poland, late Homerian; A1, whole rhabdosome, reverse view; A2, enlargement of apertural process. B, C. Plectograptus robustus (Obut and Zaslavskaya, 1983). B. Light photograph of reverse of mature rhabdosome with nematularium, SMD−SAS 217, Grube “Frisch Glueck” near Zwickau, south of Stenn, Germany, Ludlow; not to scale. C. SEM micrographs of a mature rhabdosome, MB.G 1081, Spandau bei Berlin, Germany, Ludlow: C1, obverse view; C2, paired apertural process; C3, ancora hub; C4, enlargement of ancora umbrella fragment.	2006-12-31	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred		Zenodo	biologists	Bates, Denis E. B.;Kozłowska, Anna;Maletz, Jörg;Kirk, Nancy H.;Lenz, Alfred			
