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Age of Neoproterozoic bilatarian body and trace fossils, White Sea, Russia: implications for metazoan evolution.
A uranium-lead zircon age for a volcanic ash interstratified with fossil-bearing, shallow marine siliciclastic rocks in the Zimnie Gory section of the White Sea region indicates that a diverseExpand
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Carbonate-hosted Avalon-type fossils in arctic Siberia
Avalon-type fossils are crucial to understanding the origin of Phanerozoic ecosystems, but their usual occurrence in volcaniclastic and siliciclastic facies greatly limits their paleobiologicalExpand
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Patterns of Evolution of the Ediacaran Soft-Bodied Biota
Abstract When each of the Avalon-, Ediacara-, and Nama-type fossil assemblages are tracked through geological time, there appear to be changes in species composition and diversity, almostExpand
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Structure and Depositional Environment of the Vendian Complex in the Southeastern White Sea Area
The subdivision and correlation scheme of the Vendian Complex is revised based on new data from outcrops along the eastern margin of the Baltic Shield (the southeastern White Sea area) and recentlyExpand
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Towards an ediacaran time scale: Problems, protocols, and prospects
The Ediacaran Period follows the Cryogenian Period in the wake of a snowball Earth glaciation and precedes the Cambrian Period with its rising tide of animal radiation. It is also the longest amongExpand
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Ediacaran microbial colonies
Enigmatic discoidal fossils are common in Neoproterozoic sedimentary sequences and in the stratigraphic record pre-date the first appearance of diverse Ediacaran fossil assemblages. TermedExpand
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The oldest evidence of bioturbation on Earth
Detailed study of the Khatyspyt Formation in arctic Siberia has shown that, contrary to common expectations, the earliest ichnofabric is of late Ediacaran age, records a food-seeking behavior, and isExpand
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Late Vendian Miaohe-type ecological assemblage of the east European platform
Upper Vendian rocks of the East European Platform (EEP) are characterized by the presence of the White Sea fossil biota, which colonized the region from the southeastern White Sea area to the CentralExpand
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ENIGMATIC WORM-LIKE ORGANISMS FROM THE UPPER DEVONIAN OF NEW YORK: AN APPARENT EXAMPLE OF EDIACARAN-LIKE PRESERVATION
The supposed polychaete annelid Protonympha salicifolia, from the Upper Devonian (Frasnian) of New York State, USA, is redescribed. P. salicifolia has a bilateral and segmented body, but appears toExpand
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Duration of the first biozone in the Siberian hypostratotype of the Vendian
Abstract The first biozone ( Anabarites trisulcatus Assemblage Zone) in the Siberian hypostratotype of the Vendian (northwestern slope of the Olenek Uplift) is represented by the Turkut Formation ofExpand
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