The importance of Nama Group sediments and fossils to the debate about animal origins

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dc.contributor.authorBrain, C. K.
dc.date.accessioned2015-01-12T06:59:48Z
dc.date.available2015-01-12T06:59:48Z
dc.date.issued1997
dc.descriptionMain articleen_ZA
dc.description.abstractThe purpose of this review is to draw attention to the contribution that Nama sediments and fossils have made, and potentially can make, to the ongoing debate about metazoan origins. Two important features of this debate concern the nature and systematic position of the late Proterozoic "Ediacaran" fauna as well as the reasons for the sudden appearance in the fossil record of representatives of almost all known animal phyla, during the Early-Middle Cambrian radiation. An additional vexing question is the reason for the apparent absence of preserved representatives of ancestral metazoan lineages in Proterozoic sediments, despite the fact that molecular evidence shows that such lineages had a long his tory, prior to Cambrian times. Nama fossils and their enclosing sediments have made crucial contributions to this debate and will surely continue to do so in the future.en_ZA
dc.description.sponsorshipThe Foundation for Research Development in Pretoria.en_ZA
dc.identifier.citationNoneen_ZA
dc.identifier.issn0078-8554
dc.identifier.urihttp://hdl.handle.net/10539/16418
dc.language.isoenen_ZA
dc.publisherBernard Price Institute for Palaeontological Researchen_ZA
dc.relation.ispartofseriesNone;
dc.subjectProterozoic, Metazoan origins, Nama Group, Ediacaran fauna.en_ZA
dc.titleThe importance of Nama Group sediments and fossils to the debate about animal originsen_ZA
dc.typeArticleen_ZA
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Volume 34 1997