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6 results for “Spinograptus”
Fig. 2 in A new type of colony in Silurian (upper Wenlock) retiolitid graptolite Spinograptus from Poland
Fig. 2. Retiolitid graptolites Spinograptus tubothecalis sp. nov. and Spinograptus clathrospinosus Eisenack, 1951 from the Gołdap IG−1 borehole, Poland. A, B, D, E. Spinograptus tubothecalis sp. nov., depth 1267.0 m, Colonograptus deubeli Biozone, Wenlock. A. ZPAL G. 47/1, holotype, stereopair of obverse view of finite rhabdosome, proximal lateral orifice (arrow) (A1); proximal view of rhabdosome (A2), outer ancora arrowed; proximal view of isolated last theca and nema (A); ancora umbrella and dense outer ancora at th 11 side of rhabdosome (arrow) (A). B. ZPAL G. 47/5, th 11 side view of proximal 3 4 part of rhabdosome showing dense outer ancora and pre−thecal ventral orifice overgrown by reticulum (arrow) (B1), rudimentary transverse rod (arrow) (B). D. ZPAL G. 47/8, th 12 side view of proximal part of rhabdosome showing overgrown pre−thecal ventral orifice (arrow). E. ZPAL G. 47/9, proximal 2 view of immature rhabdosome showing ancora umbrella and outer ancora starting to grow (arrow). C. Spinograptus clathrospinosus Eisenack, 1951, ZPAL G. 47/10, depth 1259.0 m, Colonograptus ludensis Biozone, Wenlock, open−ended rhabdosome with three pairs of thecae, lateral view (C1), obverse view of proximal end of rhabdosome (C) showing ancora umbrella and outer ancora at th 11 side of rhabdosome.
Fig. 5 in A new type of colony in Silurian (upper Wenlock) retiolitid graptolite Spinograptus from Poland
Fig. 5. Drawing of retiolitid graptolite Spinograptus tubothecalis sp. nov., in obverse view, with reconstructed membranes. The ancora umbrella membrane is hypothetical. Note the short finite rhabdosome with characteristic two last tube−shaped thecae without genicular processes and very small and narrow appendix. Drawing AK.
Fig. 1 in A new type of colony in Silurian (upper Wenlock) retiolitid graptolite Spinograptus from Poland
Fig. 1. Stratigraphical sequence of the Spinograptus species, with new data from this paper and Kozłowska−Dawidziuk 1997: fig. 12. The ranges of Spinograptus spinosus (Wood, 1900) and S. clathrospinosus Eisenack, 1951 reach the Saetograptus linearis–Monograptus ceratus Biozone in the Arctic Canada (Lenz and Kozłowska−Dawidziuk 2004), which is not marked herein.
Fig. 3 in A new type of colony in Silurian (upper Wenlock) retiolitid graptolite Spinograptus from Poland
Fig. 3. Retiolitid graptolite Spinograptus tubothecalis sp. nov. rhabdosomes (A–D) showing thecal membranes (brown) and Spinograptus spinosus (Wood, 1900) (E, F) showing morphological details. A, B, D. Fragments of rhabdosomes from Prągowiec 2, Colonograptus deubeli Biozone. A. ZPAL G. 47/2, well preserved proximal end and three pairs of thecae obverse (A1) and reverse (A2) views, metasicula arrowed. B. ZPAL G. 47/3, tuboid distal theca arrowed. D. ZPAL G. 47/4, well preserved membranes and tuboid distal theca. C. Finite rhabdosome, holotype from Gołdap IG−1 borehole (1267.0 m), Colonograptus deubeli Biozone, ZPAL G. 47/1, obverse view with isolated distal theca (arrow). E. Spinograptus spinosus (Wood, 1900) from Gołdap IG−1 borehole (1250.0 m) Neodiversograptus nilssoni–Lobograptus progenitor Biozone, ZPAL G. 47/12, morphology of ventral wall. F. Spinograptus spinosus (Wood, 1900) from Jarosławiec K2, ZPAL G. 47/11, young rhabdosome, dotted lines show possible broken spines. Light microscope pictures (A–D), SEM pictures (E, F).
Fig. 4 in A new type of colony in Silurian (upper Wenlock) retiolitid graptolite Spinograptus from Poland
Fig. 4. Retiolitid graptolite Spinograptus tubothecalis sp. nov. from Prągowiec 2, Colonograptus deubeli Biozone. A. ZPAL G. 47/6, paratype, distal end of rhabdosome with three well preserved thecae on one side and small appendix; distal view (A1), view towards the inside of last theca (A2), lateral view of whole specimen (A3), stereopair of the better preserved thecae (A4). B. ZPAL G. 47/7, distal end of rhabdosome with two last thecae and terminal structure; distal view of the whole fragment (B1); view to the inside of last theca (B2); terminal structure (B3).
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)
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