Shaochilong Shaochilong

Shaochilong (meaning “shark toothed dragon”) is an extinct genus of tetanuran theropod dinosaurs from the Early Cretaceous (Barremian to Albian stages) Miaogou Formation of China, though a more restrictive suggestion from the Aptian to the Albian has been suggested based on faunal composition. It was usually described as a carcharodontosaurid, but other phylogenies have suggested a different position as a tyrannosauroid or as a member of polytomic allosauroid. The genus contains a single species, Shaochilong maortuensis, which was originally placed in the genus Chilantaisaurus as C. maortuensis, but was re-described and reclassified in 2009.