Platyceramus (English Wikipedia)

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

refsWebsite
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oceansofkansas.com

  • Everhart, Mike (2009). "Oyster-shell coprolites; a stratigraphic marker in the smoky hill chalk (Upper Cretaceous) of Western Kansas". Transactions of the Kansas Academy of Science: Abstracts. 11: 12.