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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Namibia (8)
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Asia
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Primary terms
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Pteridinium
Taphonomy of the Ediacaran Fossil Pteridinium Simplex Preserved Three-Dimensionally in Mass Flow Deposits, Nama Group, Namibia
Pteridinium: An Element of Late Precambrian Ediacaran Fauna from Carolina Slate Belt, Southern Appalachian Orogen: ABSTRACT
In situ biostratinomy of Rangea and co-occurrence with Pteridinium . Kl...
Phylogeny of Rangeomorpha using Pteridinium as the outgroup to polarize t...
Thin section photomicrographs of Pteridinium simplex fossil and matrix. ...
Tubey or not tubey: Death beds of Ediacaran macrofossils or microbially induced sedimentary structures?: COMMENT
A re-examination of the Nama-type Vendian organism Rangea schneiderhoehni
Abstract Vendobiont type fossils are characterized by possessing ‘gliding symmetry’, in which quilts of the different vanes consisting the body of the Vendobionta meet along the seam with small offset. Because two, three or more vanes are joined along this seam and the quilts of different vanes can be variously offset along the seam, a variety of gliding symmetry exists among Vendobionta. Our theoretical consideration here predicts that the number of possible gliding symmetry is one, two and three for organisms having two, three and four vanes, respectively. We also predict that a special combination of morphological types appear alternatively during the growth of the Vendobionta with two vanes. Further, we were able to identify the existence of two types in gliding symmetry predicted by us for Pteridinium specimens with three vanes. Detailed examination of the gliding symmetry of other Vendobionta, therefore, may give important clues in solving riddles veiling the vendobiont relationships.