[D] Tatankaceratops sacrisonorum [sG] [T]
Ott & Larson 2010
Cretaceous Late Maastrichtian
Ornithischia Genasauria Cerapoda Marginocephalia Ceratopia Neoceratopia Ceratopidae Chasmosaurinae
Hell Creek Formation, Harding County, South Dakota, US
3.3-9.8 ft (1-3 m)?
BHI6226 Partial skull
Generic name: Tatanka is the Lakota name for the American Bison) \\\"Buffalo horn face\\\" | specific name in honour of Stan and Steve Sacrisonów the discoverers of the specimen.
Longrich (2011) noted that this animal could represent a dwarf Triceratops species or simply a Triceratops specimen with a developmental disorder which caused it to stop growing prematurely.