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The Systematic Position of Hadrosaurus (Ceratops) paucidens Marsh

John H. Ostrom
Journal of Paleontology
Vol. 38, No. 1 (Jan., 1964), pp. 130-134
Stable URL: http://www.jstor.org/stable/1301503
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
The Systematic Position of Hadrosaurus (Ceratops) paucidens Marsh
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Abstract

The taxonomic history of one of Marsh's early dinosaurs is presented. Initially assigned to the hadrosaurs, this species has been considered a ceratopsian for more than seventy years. Examination of the type reaffirms its hadrosaurian affinities and comparison with other members of that family indicates a close relationship with Lambeosaurus lambei. On this evidence, the species is removed from the genus Hadrosaurus and reassigned to Lambeosaurus.

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