New data on the ceratopsian dinosaur Pentaceratops sternbergii Osborn from New Mexico

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Abstract

Several heretofore undescribed fragmentary specimens of the horned dinosaur Pentaceratops sternbergii (Ornithischia: Ceratopsia) reveal previously unknown features of the skull and extend the known range of morphological variation in this species. Pentaceratops sternbergii possesses a well-developed postfrontal fontanelle and a braincase structure similar to that of other chasmosaurines. The posterior parietal margin bears a pair of upturned epoccipitals on either side of the midline, similar to the short hook-like processes in Anchiceratops. -from Author

Original languageEnglish
Pages (from-to)279-288
Number of pages10
JournalJournal of Paleontology
Volume67
Issue number2
DOIs
StatePublished - 1993

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