Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
11
datasets available to search
ShareScore release 0.9.0
Dataset results
11 results for “Plectograptus”
Fig. 2. A, B in Agastograptus, a synonym of Plectograptus (Retiolitidae, Graptolithina)
Fig. 2. A, B. Plectograptus macilentus (Törnquist, 1887), ZPAL G. 27/1; Baltic erratic boulder 46 Jarosławiec (photo D. Bates). A. Reverse view of proximal fragment of immature rhabdosome. B. Inside view showing shape of ancora umbrella and shape of rhabdosome in cross section. C, D. Plectograptus robustus (Obut and Zaslavskaya, 1983). C. ZPAL G.27/2, EEP, Bartoszyce borehole, depth 1627.0 m, obverse view of immature rhabdosome. D. UIGGM SB RAS 251/42−4/1, holotype, Kaliningrad District, North Kaliningrad borehole, depth 2094.0–2105.5 m (courtesy of N. Sennikov). Scale bars 0.5 mm. Abbreviations: a, aperture; ap, apertural process; au, ancora umbrella; l, lip; mv, mid−ventral list; po, proximal orifice; v, virgella.
Fig. 3. A, H in Agastograptus, a synonym of Plectograptus (Retiolitidae, Graptolithina)
Fig. 3. A, H. Spinograptus munchi (Eisenack, 1951), A. ZPAL G. 27/3, EEP, Bartoszyce borehole, depth 1626.6 m, reverse view of mature rhabdosome. H. ZPAL G. 27/7, EEP Mielnik borehole, depth 1044.0 m, enlargement of paired apertural processes of distal theca. B, E, F. Neogothograptus balticus (Eisenack, 1951), Baltic erratic boulder 46 from Jarosławiec. B, E. ZPAL G. 27/4 mature rhabdosome with appendix (photo D. Bates). B. Reverse view. E. Ventral view of thecae 12 side. F. ZPAL G. 27/5 enlargement of single reticular apertural process. C, G. Spinograptus clathrospinosus (Eisenack, 1951), C. GSC120736, Arctic Canada, Cornwallis Island, AB−97 25 m, stereopair of immature rhabdosome, reverse view (modified after Lenz and KozłowskaDawidziuk 2002: fig. 13: 6). G. ZPAL G. 27/6, EEP, Bartoszyce borehole, depth 1631.2 m, paired apertural processes of medial theca. D. Cometograptus nevadensis (Berry and Murphy, 1975), GSC 99161, Arctic Canada, Cornwallis Island, SBC10E (modified after Lenz 1993: pl. 19: 1), ventro−latral view of rhabdosome. Scale bars 1 mm except for D, F–H which is 0.5 mm. Abbreviations as Fig. 2.
Fig. 8 in The Silurian retiolitid graptolite Plectograptus: New observations and new species
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. 7 in The Silurian retiolitid graptolite Plectograptus: New observations and new species
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. 5 in The Silurian retiolitid graptolite Plectograptus: New observations and new species
Fig. 5. Two types of ancora sleeve lists in representatives of Plectograptus Moberg and Törnquist, 1909 shown in cross sections. A. Lists type A with insertion seam, P. wimani (Eisenack, 1951), ZPAL G.39/1, Mielnik borehole, depth 1405.0 m, EEP, Poland, Ludlow: SEM micrograph (A1), schematic diagram (A2). B. Lists type B with spinose core, P. toernquisti sp. nov., NMW 91.52G.1700, Bramsche, Mecklenburg−Vorpommern, Baltic erratic boulder No. B9/96, Germany, Gorstian, Lower Ludlow: SEM micrograph (B1) and schematic diagram (B2). Schematic diagrams of the lists with lines suggest fusellar wall. Scale bars 10 µm.
Fig. 4 in The Silurian retiolitid graptolite Plectograptus: New observations and new species
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. 2 in The Silurian retiolitid graptolite Plectograptus: New observations and new species
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. 3 in The Silurian retiolitid graptolite Plectograptus: New observations and new species
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. 9. A in The Silurian retiolitid graptolite Plectograptus: New observations and new species
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.
Dawidziuk, 2002, C. praedubeli/C. deubeli Biozone, Arctic Canada. 28. Spinograptus spinosus Wood, 1900, L. nilssoni Biozone, EEP, Poland. 29. Spinograptus latespinosus Kozłowska−Dawidziuk, 1997. 30. Spinograptus munchi Eisenack, 1951, C. praedubeli/C. deubeli Biozone, EEP, Poland. 31. Papiliograptus papilio Lenz and Kozłowska−Dawidziuk, 2002, C. praedubeli/C. deubeli Biozone, Arctic Canada. 32. Plectograptus? karlsteinensis Kozłowska−Dawidziuk, Lenz, and Štorch, 2001, C. praedubeli/C. deubeli Biozone, Barrandian. 33. Neogothograptus thorsteinssoni Lenz and Kozłowska−Dawidziuk, 2004, L. progenitor Biozone, Arctic Canada. 34. Neogothograptus alatiformis Lenz and Kozłowska−Dawidziuk, 2004, L. progenitor Biozone, Arctic Canada. 35. Neogothograptus purus Kozłowska−Dawidziuk, 1995, EEP, Poland. 36. Holoretiolites mancki (Münch, 1931). 37. Holoretiolites helenaewitoldi sp. nov., L. progenitor Biozone, EEP, Poland. 38. Plectograptus wimani Eisenack, 1951, N. nilssoni Biozone, Baltic erratic boulder, Poland. 39. Plectograptus robustus Obut and Zaslavskaya, 1983, L. nilssoni Biozone, EEP, Kaliningrad. 40. Plectograptus macilentus Törnquist, 1887, L. scanicus Biozone, Baltic erratic boulder, Poland. 41. Semiplectograptus urbaneki Kozłowska−Dawidziuk, 1995, Cucullograptus hemiaversus/C. aversus Biozone, EEP, Poland. 42. Plectodinemagraptus gracilis Kozłowska−Dawidziuk, 1995, Cucullograptus hemiaversus/C. aversus Biozone, EEP, Poland. Figures adapted from: 1, Melchin (1999); 2, 4–5, Bouček and Münch (1944); 3, holotype photographed by A. Lenz; 6, 9, Bates and Kirk (1992); 7, Bates and Kirk (1997); 8, Štorch (1994); 10–15, 38, 40–42, Kozłowska−Dawidziuk (1995); 16, Kozłowska−Dawidziuk (2001); 17–21, Lenz and Kozłowska−Dawidziuk (2001); 22, 25, Kozłowska−Dawidziuk (1990); 23, 35, photo taken by author; 24, 32, Kozłowska−Dawidziuk et al. (2001); 26, 27, 31, Lenz and Kozłowska−Dawidziuk (2002a); 28, 35, photo taken by author; 29, Kozłowska−Dawidziuk (1997); 30, Kozłowska−Dawidziuk 2002; 36, Kozłowska−Dawidziuk and Lenz (2001); 37, this paper; 39, Obut and Zaslavskaya (1983). Not to scale. Abbreviations: RD, Rhuddanian; SHEIN, Sheinwoodian; GORST, Gorstian; LUDF, Ludfordian. Biozonal scheme after Koren' et al. 1996; Geological time scale by International Commission on Stratigraphy, International Union of Geological Sciences 2004 (www.stratigraphy.org) in Evolution of retiolitid graptolites-a synopsis
Dawidziuk, 2002, C. praedubeli/C. deubeli Biozone, Arctic Canada. 28. Spinograptus spinosus Wood, 1900, L. nilssoni Biozone, EEP, Poland. 29. Spinograptus latespinosus Kozłowska−Dawidziuk, 1997. 30. Spinograptus munchi Eisenack, 1951, C. praedubeli/C. deubeli Biozone, EEP, Poland. 31. Papiliograptus papilio Lenz and Kozłowska−Dawidziuk, 2002, C. praedubeli/C. deubeli Biozone, Arctic Canada. 32. Plectograptus? karlsteinensis Kozłowska−Dawidziuk, Lenz, and Štorch, 2001, C. praedubeli/C. deubeli Biozone, Barrandian. 33. Neogothograptus thorsteinssoni Lenz and Kozłowska−Dawidziuk, 2004, L. progenitor Biozone, Arctic Canada. 34. Neogothograptus alatiformis Lenz and Kozłowska−Dawidziuk, 2004, L. progenitor Biozone, Arctic Canada. 35. Neogothograptus purus Kozłowska−Dawidziuk, 1995, EEP, Poland. 36. Holoretiolites mancki (Münch, 1931). 37. Holoretiolites helenaewitoldi sp. nov., L. progenitor Biozone, EEP, Poland. 38. Plectograptus wimani Eisenack, 1951, N. nilssoni Biozone, Baltic erratic boulder, Poland. 39. Plectograptus robustus Obut and Zaslavskaya, 1983, L. nilssoni Biozone, EEP, Kaliningrad. 40. Plectograptus macilentus Törnquist, 1887, L. scanicus Biozone, Baltic erratic boulder, Poland. 41. Semiplectograptus urbaneki Kozłowska−Dawidziuk, 1995, Cucullograptus hemiaversus/C. aversus Biozone, EEP, Poland. 42. Plectodinemagraptus gracilis Kozłowska−Dawidziuk, 1995, Cucullograptus hemiaversus/C. aversus Biozone, EEP, Poland. Figures adapted from: 1, Melchin (1999); 2, 4–5, Bouček and Münch (1944); 3, holotype photographed by A. Lenz; 6, 9, Bates and Kirk (1992); 7, Bates and Kirk (1997); 8, Štorch (1994); 10–15, 38, 40–42, Kozłowska−Dawidziuk (1995); 16, Kozłowska−Dawidziuk (2001); 17–21, Lenz and Kozłowska−Dawidziuk (2001); 22, 25, Kozłowska−Dawidziuk (1990); 23, 35, photo taken by author; 24, 32, Kozłowska−Dawidziuk et al. (2001); 26, 27, 31, Lenz and Kozłowska−Dawidziuk (2002a); 28, 35, photo taken by author; 29, Kozłowska−Dawidziuk (1997); 30, Kozłowska−Dawidziuk 2002; 36, Kozłowska−Dawidziuk and Lenz (2001); 37, this paper; 39, Obut and Zaslavskaya (1983). Not to scale. Abbreviations: RD, Rhuddanian; SHEIN, Sheinwoodian; GORST, Gorstian; LUDF, Ludfordian. Biozonal scheme after Koren' et al. 1996; Geological time scale by International Commission on Stratigraphy, International Union of Geological Sciences 2004 (www.stratigraphy.org)
Fig. 1 in Agastograptus, a synonym of Plectograptus (Retiolitidae, Graptolithina)
Fig. 1. Phylogenetic relationships among the retiolitids (modified after Kozłowska−Dawidziuk 2001) with synapomorphies, and pictures of species originally included in the genus Agastograptus Obut and Zaslavskaya, 1983, showing their position in the Plectograptus, Spinograptus, Gothograptus, and Cometograptus lineages. Graptolite zonation after Koren' et al. 1995.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.