Paleontologists at Grand Staircase-Escalante National Monument discovered a new ceratopsid skull. The skull has a moderate-sized neck frill, indicating a small body, and has two short horns. The table shows rock formations at the monument and the location of known fossils relative to those formations. Based on the evolutionary relationship suggested by the anatomy of the skull, in which of the following formations was the skull found? Dakota Wahweap Kaiparowits Canaan Peak

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