Genus: Machairoceratops LUND, O'CONNOR, LOEWEN, & JINNAH, 2016
Etymology: Greek, machairis, "bent sword"; in reference to the posterodorsally porjecting, anteriorly curved epiparietal (locus p1) ornamentation, Latinized Greek, ceratops, "horned-face."

Species: cronusi LUND, O'CONNOR, LOEWEN, & JINNAH, 2016
Etymology: The specific epithet cornusi refers to the Greek god Cronus who, according to mythology, deposed his father Uranus with a sickle or scythe, and as such is depicted carrying a curved bladed weapon.

Holotype: UMNH VP 20550

Locality: Grand Staircase-Escalante National Monument (GSENM), Kane County, Utah.

Horizon: Upper Member, Wahweap Formation.

Biostratigraphy:

Age: Late Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Partial skull including two curved and elongate orbital hornecores, left jugal, nearly complete, slightly deformed braincase, left squamosal, a parietal complex ornamented by caudally projections, rostrally cruved, elongate spikes on either side of a midline embayment.