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Los Alamitos Formation

Los Alamitos Formation
Stratigraphic range: Late Cretaceous (Late Campanian-Maastrichtian)
Type Geological formation
Location
Region Río Negro Province
Country Argentina

The Los Alamitos Formation is a geological formation in Rio Negro, Argentina whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.

Aeolosaurus

A. rionegrinus

Secernosaurus (="Kritosaurus" australis)

S. koerneri

Indeterminate Theropod

Alamitornis

A. minutus

Cf. Hesperornithes

Indeterminate Ornithurine

Indeterminate Avian

Austrotriconodon

Reigitherium

Ferugliotherium

Gondwanatherium

Bondesius

Groebertherium

Leonardus

Mesungulatum

Paraungulatum

Brandonia

Casamiquelia

Alamitherium

Rougiertherium



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