Describer

Bonaparte, 1991

Time

Cretaceous Late Coniacian

Classification

Saurischia Theropoda Tetanurae Coelurosauria Maniraptora Avialae Alvarezsauridae

Diet

Carnivore

Fossilsite

Rio Colorado Formation or Allen Fm., Provincia de Neuquen, Argentina

Info

Genus - Typespecies

Classified as a flightless bird with large hooked forelimbs along with Mononykus olecranus by some researchers. Partial postcranial skeleton Alvarezsaurus had small unserrated teeth in the front of its snout