Vitosaura

Vitosaura is an extinct genus of abelisaurid theropod dinosaurs known from the Late Cretaceous Los Llanos Formation of Argentina. The genus contains a single species, Vitosaura colozacani, known from a partial skeleton. Alongside Guemesia and the noasaurid Noasaurus, Vitosaura is one of the only Argentinian ceratosaurians found outside of Patagonia.

== Discovery and naming == During fieldwork in the Colozacán Valley conducted through 2009 and 2010, a partial theropod skeleton, found in association with various titanosaur sauropod remains, was collected from outcrops of the Los Llanos Formation. This site is located near Tama village in southeast La Rioja Province, Argentina. Following its excavation, the specimen was prepared at the La Rioja Regional Center for Scientific Research and Technology, where it is now permanently accessioned as CRILAR-Pv 506 in the vertebrate paleontology collections. The specimen consists of the of the first dorsal (back) vertebra, a complete second dorsal vertebra, part of the , a partial left (, , and ), and other unidentified fragments.