Didymoceras nebrascense (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Didymoceras nebrascense" in English language version.

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1paleobiodb.org

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1books.google.com

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amnh.org

digitallibrary.amnh.org

W.J. Kennedy; N.H. Landman; W.A. Cobban; G.R. Scott (2000). "Late Campanian (Cretaceous) heteromorph ammonites from the western interior of the United States" (PDF). Bulletin of the American Museum of Natural History. 251 (251): 1–88. doi:10.1206/0003-0090(2000)251<0001:LCCHAF>2.0.CO;2.

books.google.com

Fielding B. Meek; Ferdinand V. Hayden (1856). "Descriptions of new species of Gasteropoda and Cephalopoda from the Cretaceous formations of Nebraska Territory". Proceedings of the Academy of Natural Sciences of Philadelphia. 8: 70–72.

doi.org

W.J. Kennedy; N.H. Landman; W.A. Cobban; G.R. Scott (2000). "Late Campanian (Cretaceous) heteromorph ammonites from the western interior of the United States" (PDF). Bulletin of the American Museum of Natural History. 251 (251): 1–88. doi:10.1206/0003-0090(2000)251<0001:LCCHAF>2.0.CO;2.

paleobiodb.org

"Didymoceras nebrascense". Paleobiology Database. Retrieved February 21, 2012.