Search Results - Mamay, Sergius H., 1920-

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  1. 1
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    Two new plant genera of Pennsylvanian age from Kansas coal balls / by Mamay, Sergius H., 1920-

    Published 1954
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  2. 2
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    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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  3. 3
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    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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  4. 4
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    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
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    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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  6. 6
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    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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  7. 7
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    Paleozoic origin of the cycads / by Mamay, Sergius H., 1920-

    Published 1976
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  8. 8
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    Occurrence and significance of marine animal remains in American coal balls / by Mamay, Sergius H., 1920-

    Published 1962
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  9. 9
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    Paleozoic origin of the cycads / by Mamay, Sergius H., 1920-

    Published 1976
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  10. 10
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    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
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    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
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    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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