Ojoceratops (meaning "Ojo Alamo horned face") is a genus of ceratopsian dinosaur which lived in what is now the United States. Ojoceratops fossils have been recovered from strata of the Ojo Alamo Formation, dating to the Late Cretaceous period (probably Maastrichtian age, 68 million years ago). The type species is Ojoceratops fowleri. It is very similar to its close relative Triceratops, though it is from an earlier time period and has a more squared-off frill. Nick Longrich, in 2011, noted that the squared-off frill is also found in some true Triceratops specimens and that Ojoceratops is probably a junior synonym of Triceratops, while Holtz (2010) noted that it is probably ancestral to Triceratops and possibly synonymous with the contemporary Eotriceratops. This hypothesis is dubious, due with Eotriceratops living in Alberta; while it can be possible it migrated down to New Mexico, it is unlikely. Ojoceratops might be its own species.
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