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Journal Article

Reconstructing Rangea : New Discoveries from the Ediacaran of Southern Namibia

Patricia Vickers-Rich, Andrey Yu Ivantsov, Peter W. Trusler, Guy M. Narbonne, Mike Hall, Siobhan A. Wilson, Carolyn Greentree, Mikhail A. Fedonkin, David A. Elliott, Karl H. Hoffmann, Gabi I. C. Schneider
Published: 01 January 2013
Journal of Paleontology (2013) 87 (1): 1–15.
DOI: https://doi.org/10.1666/12-074R.1
...Patricia Vickers-Rich; Andrey Yu Ivantsov; Peter W. Trusler; Guy M. Narbonne; Mike Hall; Siobhan A. Wilson; Carolyn Greentree; Mikhail A. Fedonkin; David A. Elliott; Karl H. Hoffmann; Gabi I. C. Schneider Abstract Rangea is the type genus of the Rangeomorpha, an extinct clade near the base...
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Journal Article

A re-examination of the Nama-type Vendian organism Rangea schneiderhoehni

DIMA GRAZHDANKIN, ADOLF SEILACHER
Published: 01 September 2005
Geological Magazine (2005) 142 (5): 571–582.
DOI: https://doi.org/10.1017/S0016756805000920
...DIMA GRAZHDANKIN; ADOLF SEILACHER Abstract The need to re-examine Rangea has been motivated by two factors: first, by the recent progress in the understanding of three-dimensional mouldic preservation of Vendian fossils, and second, by discoveries of this taxon outside Gondwana albeit in the same...
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The enigmatic Ediacaran (late Precambrian) genus Rangea and related forms

Richard J. F. Jenkins
Journal: Paleobiology
Published: 01 July 1985
Paleobiology (1985) 11 (3): 336–355.
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Taphonomic scenario of the <span class="search-highlight">Rangea</span> accumulations on Farm Aar, Namibia: 1 ...

Taphonomic scenario of the Rangea accumulations on Farm Aar, Namibia: 1 ...

Published: 01 January 2013
Figure 10 Taphonomic scenario of the Rangea accumulations on Farm Aar, Namibia: 1 , living Rangea community; 2 , storm-dislodged Rangea transported by suspension in a sediment-water mixture flow; 3 , burial of Rangea in erosion gutter during waning stages of storm, arrows indicate
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<span class="search-highlight">Rangea</span> axial bulb, marginal tube morphology and symmetry, Farm Aar: 1, Ra...

Rangea axial bulb, marginal tube morphology and symmetry, Farm Aar: 1, Ra...

Published: 01 January 2013
Figure 8 Rangea axial bulb, marginal tube morphology and symmetry, Farm Aar: 1, Rangea NESM F635-c lower (ventral) view, scale bar=1 cm; 2, Rangea NESMF635-c, upper (dorsal) view, scale bar=1 cm; 3, outline of Rangea NESMF635-c in dorsal view showing proximal preservation of marginal
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In situ biostratinomy of <span class="search-highlight">Rangea</span> and co-occurrence with Pteridinium . Kl...

In situ biostratinomy of Rangea and co-occurrence with Pteridinium . Kl...

Published: 01 September 2005
Figure 1. In situ biostratinomy of Rangea and co-occurrence with Pteridinium . Kliphoek Member of the Dabis Formation, Namibia. NESM F541. (a) Bottom view of the assemblage with two casts of Pteridinium and a cast of Rangea prepared off the sandstone matrix, all confined to the same
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<span class="search-highlight">Rangea</span> axial bulb and stalk morphology, Farm Aar, Channel 1: 1 , lower su...

Rangea axial bulb and stalk morphology, Farm Aar, Channel 1: 1 , lower su...

Published: 01 January 2013
Figure 7 Rangea axial bulb and stalk morphology, Farm Aar, Channel 1: 1 , lower surface of Rangea NSEMF643-b3; 2, outlined lower surface of Rangea NSEMF643-b3 showing line of axial section G–H; 3, Rangea NSEMF643-b3 thin section G–H photographed with raking natural light; 4
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Location of the newly discovered <span class="search-highlight">Rangea</span> specimens on Farm Aar, Namibia.

Location of the newly discovered Rangea specimens on Farm Aar, Namibia.

Published: 01 January 2013
Figure 1 Location of the newly discovered Rangea specimens on Farm Aar, Namibia.
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— <span class="search-highlight">Rangea</span> arborea , a form similar to living sea pens ( Glaessner, 1961 ).

— Rangea arborea , a form similar to living sea pens ( Glaessner, 1961 ).

Published: 01 January 1965
FIG. 35. — Rangea arborea , a form similar to living sea pens ( Glaessner, 1961 ).
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Winnowed preservation of <span class="search-highlight">Rangea</span> showing the three collapsed fronds and th...

Winnowed preservation of Rangea showing the three collapsed fronds and th...

Published: 01 September 2005
Figure 7. Winnowed preservation of Rangea showing the three collapsed fronds and the sheath. Niederhagen Member of the Nudaus Formation, Namibia. SAM K4367.
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Problematic fossils showing some similarity to <span class="search-highlight">Rangea</span> . Kliphoek Member of...

Problematic fossils showing some similarity to Rangea . Kliphoek Member of...

Published: 01 September 2005
Figure 8. Problematic fossils showing some similarity to Rangea . Kliphoek Member of the Dabis Formation, Namibia. (a, b) NESM F540; (c) F566.
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Stratigraphic setting of the newly discovered <span class="search-highlight">Rangea</span> specimens on Farm Aa...

Stratigraphic setting of the newly discovered Rangea specimens on Farm Aa...

Published: 01 January 2013
Figure 2 Stratigraphic setting of the newly discovered Rangea specimens on Farm Aar, Namibia: 1 , complete Nama Group stratigraphy in the Witputs Sub-basin, asterisk indicates date correlated from Zaris Sub-basin; 2 , stratigraphy on Farm Aar, showing stratigraphic units and fossil
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<span class="search-highlight">Rangea</span> schneiderhoehni ( Gürich, 1930 ) preservation form. 1, 2, the boa...

Rangea schneiderhoehni ( Gürich, 1930 ) preservation form. 1, 2, the boa...

Published: 01 January 2013
Figure 4 Rangea schneiderhoehni ( Gürich, 1930 ) preservation form. 1, 2, the boat-shaped preservation expressed in part and counter-part specimens: 1, upper view of concave down NESMF631-b, lower part; 2, lower view of convex down NESMF631-a, upper counter-part; 3, bottom view
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Channel 1, Farm Aar, southern Namibia: 1, <span class="search-highlight">Rangea</span> specimen and other fossi...

Channel 1, Farm Aar, southern Namibia: 1, Rangea specimen and other fossi...

Published: 01 January 2013
Figure 5 Channel 1, Farm Aar, southern Namibia: 1, Rangea specimen and other fossil material NSEMF642-c showing jarosite coating; 2, profile of NESMF641-b with specimen NESMF641-c confined to the upper channel unit, immediately above the boundary (arrowed) of the lower unit; 3, block
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Hypothetical life reconstruction of <span class="search-highlight">Rangea</span> shown partly cut away to revea...

Hypothetical life reconstruction of Rangea shown partly cut away to revea...

Published: 01 January 2013
Figure 9 Hypothetical life reconstruction of Rangea shown partly cut away to reveal the architecture of the body form as deduced from the preservation on specimens from Farm Aar, Namibia.
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Winnowed preservation of <span class="search-highlight">Rangea</span> showing the fractal quilting of the frond...

Winnowed preservation of Rangea showing the fractal quilting of the frond...

Published: 01 September 2005
Figure 2. Winnowed preservation of Rangea showing the fractal quilting of the frond, the margin of the second frond, and the sheath. Yorga Formation, Russia. PIN 3993-7021.
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In situ preservation of <span class="search-highlight">Rangea</span> showing the overprinting of quilts from t...

In situ preservation of Rangea showing the overprinting of quilts from t...

Published: 01 September 2005
Figure 3. In situ preservation of Rangea showing the overprinting of quilts from the double-layered structure of the frond. Verkhovka Formation, Russia. PIN 4564-2000.
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In situ preservation of <span class="search-highlight">Rangea</span> showing the tripartite and stemless struc...

In situ preservation of Rangea showing the tripartite and stemless struc...

Published: 01 September 2005
Figure 5. In situ preservation of Rangea showing the tripartite and stemless structure of the body. Numbers 1 to 3 indicate the three parts of the body. Kliphoek Member of the Dabis Formation, Namibia. NESM F338-2 (a), F338-5 (b).
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(a) In winnowed <span class="search-highlight">Rangea</span> specimens, one of the three fronds is commonly pre...

(a) In winnowed Rangea specimens, one of the three fronds is commonly pre...

Published: 01 September 2005
Figure 6. (a) In winnowed Rangea specimens, one of the three fronds is commonly preserved spread along the parting surface. Another frond is compressed laterally and preserved as a wedge-shaped three-dimensional cast. The third frond is thought to be lost during weathering. NESM F530. (b
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Figure 6. <span class="search-highlight">Rangea</span> . A, PIN 3993-7021; collected in sandstone-filled overfl...

Figure 6. Rangea . A, PIN 3993-7021; collected in sandstone-filled overfl...

Published: 01 January 2004
Figure 6. Rangea . A, PIN 3993-7021; collected in sandstone-filled overflow channels of the distributary-mouth bar setting, Yorga Fm., Winter Mountains, northwestern Russia. B, Holotype HU 179; found in distal fluviomarine sandstones, Kliphoek Member, Dabis Fm., Namibia. Scale bar, 10 mm