Browsing by Author "Johnson, R. O."
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Item New ammonoid records from the Merchantville Formation (Upper Cretaceous) of Maryland and New Jersey. American Museum novitates ; no. 3193(New York, N.Y. : American Museum of Natural History, 1997) Kennedy, W. J. (William James); Cobban, William A., 1916-2015.; Landman, Neil H.; Johnson, R. O.