מאכיירוצרטופס – הבדלי גרסאות

* {{cite journal |authors=Eric K. Lund, Patrick M. O’Connor, Mark A. Loewen and Zubair A. Jinnah |year=2016 |title=A New Centrosaurine Ceratopsid, ''Machairoceratops cronusi'' gen et sp. nov., from the Upper Sand Member of the Wahweap Formation (Middle Campanian), Southern Utah |journal=PLoS ONE |volume=11 |issue=5 |pages=e0154403 |doi=10.1371/journal.pone.0154403 }}

 

 

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