Showing 1 - 12 results of 12 for search 'Mamay, Sergius H., 1920-', query time: 0.04s Refine Results
  1. 1
    Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas /

    Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas / by Mamay, Sergius H., 1920-

    Published 1966
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  2. 2
    Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas /

    Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas / by Mamay, Sergius H., 1920-

    Published 1966
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  3. 3
    Russellites, new genus, a problematical plant from the Lower Permian of Texas /by Sergius H. Mamay.

    Russellites, new genus, a problematical plant from the Lower Permian of Texas /by Sergius H. Mamay. by Mamay, Sergius H., 1920-

    Published 1968
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  4. 4
    Additions to the flora of the Spotted Ridge Formation in central Oregon /

    Additions to the flora of the Spotted Ridge Formation in central Oregon / by Mamay, Sergius H., 1920-

    Published 1956
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  5. 5
    Two new plant genera of Pennsylvanian age from Kansas coal balls / Sergius H. Mamay.

    Two new plant genera of Pennsylvanian age from Kansas coal balls / Sergius H. Mamay. by Mamay, Sergius H., 1920-

    Published 1954
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  6. 6
    Occurrence and significance of marine animal remains in American coal balls /

    Occurrence and significance of marine animal remains in American coal balls / by Mamay, Sergius H., 1920-

    Published 1962
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  7. 7
    Two new plant genera of Pennsylvanian age from Kansas coal balls /

    Two new plant genera of Pennsylvanian age from Kansas coal balls / by Mamay, Sergius H., 1920-

    Published 1954
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  8. 8
    Paleozoic origin of the cycads /

    Paleozoic origin of the cycads / by Mamay, Sergius H., 1920-

    Published 1976
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  9. 9
    Paleozoic origin of the cycads /

    Paleozoic origin of the cycads / by Mamay, Sergius H., 1920-

    Published 1976
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  10. 10
    Additions to the flora of the Spotted Ridge Formation in central Oregon /

    Additions to the flora of the Spotted Ridge Formation in central Oregon / by Mamay, Sergius H., 1920-, Read, C. B.

    Published 1956
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  11. 11
    Occurrence and significance of marine animal remains in American coal balls /

    Occurrence and significance of marine animal remains in American coal balls / by Mamay, Sergius H., 1920-, Yochelson, Ellis L. (Ellis Leon), 1928-2006

    Published 1962
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  12. 12
    Upper Paleozoic floral zones and floral provinces of the United States /

    Upper Paleozoic floral zones and floral provinces of the United States / by Read, Charles Brian, 1907-

    Published 1964
    Other Authors: “…Mamay, Sergius H., 1920-…”
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