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Harris, C.; Gess, R. W.; Penn-Clarke, C.; Rubidge, B. S. Coombs Hill: A Late Devonian Fossil Locality in the Witpoort Formation (Witteberg Group, South Africa). S. Afr. J. Sci. 2021, 117 (3/4). https://doi.org/10.17159/sajs.2021/9190.