Evolution and ecology of Neoproterozoic-Lower Cambrian trace fossils, NW Canada

@inproceedings{Macnaughton1999EvolutionAE,
  title={Evolution and ecology of Neoproterozoic-Lower Cambrian trace fossils, NW Canada},
  author={Robert B. Macnaughton and Guy M. Narbonne},
  year={1999}
}
Neoproterozoic to subtrilobite Cambrian strata in the Mackenzie Mountains, Canada, provide a test case for the current paradigm of evolutionary stages in the development of the early infauna. Three predominantly siliciclastic formations (Ingta, Backbone Ranges, and Vampire formations) collectively exhibit 13 facies associations representing nonmarine to distal shelf environments, and can be subdivided into 18 simple sequences, each of 800,000-1,000,000 years duration. Trace fossil occurrences… CONTINUE READING

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