†infraorder Alvarezsauria Bonaparte 1991 (theropod)

Reptilia - Saurischia

Full reference: J. F. Bonaparte. 1991. Los vertebrados fósiles de la Formación Rio Colorado, de la Ciudad de Neuquén y Cercanías, Cretácico Superior, Argentina [The vertebrate fossils of the Rio Colorado Formation, from the city of Neuquén and surrounding areas, Upper Cretaceous, Argentina]. Revista del Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" e Instituto Nacional de Investigación de las Ciencias Naturales: Paleontología 4(3):17-123

Parent taxon: Theropoda according to X. Xu et al. 2018

See also Agnolin et al. 2012 and Bonaparte 1991

Sister taxa: Ageroolithus, Allosaurus sibiricus, Anchisauripodidae, Archaeornithoididae, Asianopodus, Avalonia, Avipoda, Boutakioutichnium, Bradycnemidae, Byakudansauropus, Calamospondylus, Carmelopodus, Chindesaurus, Coeluroidea, Compsognatha, Corpulentapus, Daemonosaurus, Deinocheirosauria, Deinodontia, Dispersituberoolithus, Elongatoolithidae, Embasaurus, Eodromaeus, Eubrontes titanopelobatidus, Eubrontidae, Fenestrosaurus, Fuscinapedis, Gigandipodidae, Grallatoridae, Gypsichnites, Hadrosaurichnus, Halticosaurus, Herrerasauridae, Hispanosauropus, Iranosauripus, Itsukisauropus, Jialingpus, Kakuru, Kakuru kujani, Kalohipus, Kayentapus, Kuwajimasauropus, Laevisoolithidae, Massospondylus rawesi, Megalosauropus, Megalosaurus cloacinus, Megalosaurus dunkeri, Megalosaurus hungaricus, Megalosaurus insignis, Megalosaurus lydekkeri, Megalosaurus obtusus, Megalosaurus pombali, Minisauripus, Neotheropoda, Nipponoolithus, Oblongoolithidae, Orcauichnites, Ornithoides, Ornithopodichnites, Ovoraptor, Ozraptor, Paleotheropoda, Parachirotheriidae, Paracorpulentapus, Paragrallator, Picunichnus, Plectropus, Poekilopleuron schmidti, Protoavis, Reticuloolithus, Sarmientichnus, Saurocephalus monasterii, Sauropodidae, Segisauridae, Selenichnidae, Selenichnus, Shuangbaisaurus, Siamopodus, Sigilmassasauridae, Sinosaurus, Skartopus, Spinosauria, Symphypoda, Szechuanosaurus, Tawa, Therangospodus, Triprismatoolithus, Trisauropodiscidae, Tristraguloolithus, Tubercuoolithus, Tuojiangpus, Unenlagiidae, Wakinosaurus, Walgettosuchus, Wildeichnus, Yangtzepus, Yaverlandia, Zanclodon cambrensis, Zanclodon silesiacus, Zhengichnus jinningensis

Subtaxa: Arriagadoolithidae Bannykus Haplocheirus Xiyunykus

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Ecology: ground dwelling carnivore

Distribution:

• Cretaceous of Argentina (1 collection), China (2)

• Jurassic of China (1)

Total: 4 collections each including a single occurrence

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