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Miller |
1934 |
The Carboniferous ammonoid genus Dryochoceras, a synonym of Sagittoceras.
American Journal of Science, 5th ser., 38: 31-36, 6 fig.; New Haven, Conn.
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Miller & Furnish |
1940a |
Studies on Carboniferous ammonoids: parts 1-4.
Journal of Paleontology, 14: 356-377, fig.1-17, pl.45-49; Tulsa, Okla.
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