
Siats (/see-ats/) is an extinct genus of large theropod dinosaurs known from the Late Cretaceous Cedar Mountain Formation (Mussentuchit Member) of Utah, United States. The genus contains a single species, Siats meekerorum. It was initially classified as a megaraptoran, a clade of large theropods with controversial relationships. Alternative positions within the Neovenatoridae, Allosauroidea, and Tyrannosauroidea have also been proposed.
Siats (/see-ats/) is an extinct genus of large theropod dinosaurs known from the Late Cretaceous Cedar Mountain Formation (Mussentuchit Member) of Utah, United States. The genus contains a single species, Siats meekerorum. It was initially classified as a megaraptoran, a clade of large theropods with controversial relationships. Alternative positions within the Neovenatoridae, Allosauroidea, and Tyrannosauroidea have also been proposed.
== Discovery and naming == thumb|left|Dorsal vertebra Siats was described by Lindsay E. Zanno and Peter J. Makovicky in 2013. The generic name references a man-eating monster in Ute mythology. The specific name meekerorum honors the geologist John Caldwell Meeker and his family for their support of paleontological research.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).