Alvarezsaurus

Field photograph to come

DV-0338Bajo de la Carpa Fm., Argentina

Alvarezsaurus

DV-0338

Lived
86 to 84 million years ago, Late Cretaceous
Diet
Carnivore
Length
about 2 m (7 ft)
Group
Theropods, Alvarezsauridae
Found in
Argentina
Named by
Bonaparte 1991

Field notes

About Alvarezsaurus

Alvarezsaurus was a meat-eating theropod that lived in the Late Cretaceous, 86 to 84 million years ago. It belongs to the family Alvarezsauridae.

The Paleobiology Database lists 1 find of Alvarezsaurus, from Argentina. Its fossils come from the Bajo de la Carpa Formation. It was named by Bonaparte in 1991.

The evidence

Where its fossils were found

Today

1 find

80 million years ago

Map: C. R. Scotese, PALEOMAP

To scale

How big was Alvarezsaurus?

0 m0.5 m1 m1.5 m2 m2.5 m
Alvarezsaurus: about 2 m (7 ft) · Person: 1.8 m (6 ft)Silhouette: typical theropod shape

Lived alongside

Found in the same rock formations.

Close relatives

Other members of Alvarezsauridae.

Sources: Paleobiology Database, WikidataNamed in: 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