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  1. By: Marshall, Larry G. - Clemens, William A. (William Alvin) - Hoffstetter, R J - Pascnal, R - Patterson, B - Tedford, Richard H. - Turnbull, William D. (William D.)
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 33
    Date: 1977
    Page Range: 212--213
    Publication Info: London International Trust for Zoological Nomenclature
  2. By: Marshall, Larry G. - Clemens, William A. (William Alvin) - Hoffstetter, R J - Pascual, R - Patterson, B - Tedford, Richard H. - Turnbull, William D. (William D.)
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 35
    Date: 1978
    Page Range: 12--14
    Publication Info: London International Trust for Zoological Nomenclature
  3. By: Clemens, William A. (William Alvin) - McKenna, Malcolm C. - Russell, D E - Sloan, Robert E. (Robert Evan), - Van Valen, Leigh M.
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 21
    Date: 1964
    Page Range: 363
    Publication Info: London International Trust for Zoological Nomenclature
  4. By: Clemens, William A. (William Alvin)
    Type: Article
    In: Palaeontology
    Volume: 6
    Date: 1963
    Page Range: 373--377
    Publication Info: London, Palaeontological Association, 1957-
  5. By: Clemens, William A. (William Alvin)
    Type: Article
    In: Contributions in science
    Volume: 133
    Date: 1968-02-20
    Page Range: 1--11
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  6. By: Clemens, William A. (William Alvin) - Mills, James Richard Ewart
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 20
    Issue: 3
    Date: 1971-04-28
    Page Range: 87--114
    Publication Info: London, BM(NH),
  7. By: Clemens, William A. (William Alvin)
    Type: Article
    In: Zitteliana
    Volume: 5
    Date: 1980
    Page Range: 51--92
    Publication Info: Altötting [etc.], Komissionsverlag Geiselberger [etc.],
  8. By: Clemens, William A. (William Alvin)
    Type: Article
    In: Palaeontology
    Volume: 6
    Date: 1963
    Page Range: 55--69
    Publication Info: London, Palaeontological Association, 1957-