Showing 1 - 2 results of 2 for search '"Paleontology Permian."', query time: 0.29s Refine Results
  1. 1
    Permian crinoid Calceolispongia.
    by Teichert, Curt, 1905-1996
    Published 1949
    Subjects: “...Paleontology Permian....”
    Book
  2. 2
    Stratigraphic boundary problems: Permian and Triassic of West Pakistan /
    by Kummel, Bernhard, 1919-1980
    Published 1970
    Subjects: “...Paleontology Permian....”
    Book
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