Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Reptilia [classis]
Dinosauria [ordo]
Ornithischia [subordo]
Ceratopsidae [familia]
Triceratops [genus]
Genus Triceratops contains the following taxa:
Triceratops horridus Marsh 1889 [species]