Abstract
THE discovery of animal burrows in the basal beds of the main ore horizon on the Zambian Copperbelt provides evidence for the existence of metazoan life some 300 Myr older than the previously oldest known fauna, the late Proterozoic Ediacara fauna1. I describe here two kinds of burrow (referred to as types A and B pending more formal nomenclature), their geological setting, and age relationships.
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References
Glaessner, M. F., Bull. geol. Soc. Am., 82, 509–514 (1971).
Clemmey, H., in Gisements Stratiformes et Provinces Cupriferes, 255–265 (Societe Geologique De Belgique, Liege, 1974).
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Hantzel, W., Treatise on invertebrate Paleontology Suppl. 1, Part W (edit. by Teichert, C.) (Geol. Soc. Am., University of Kansas, 1975).
Pryor, W. A., Bull. geol. Soc. Am., 86, 1244–1254 (1975).
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CLEMMEY, H. World's oldest animal traces. Nature 261, 576–578 (1976). https://doi.org/10.1038/261576a0
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DOI: https://doi.org/10.1038/261576a0
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