Los Alamitos Formation Stratigraphic range: Late Cretaceous (Late Campanian-Maastrichtian) |
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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.
A. rionegrinus
Secernosaurus (="Kritosaurus" australis)
S. koerneri
Indeterminate Theropod
A. minutus
Cf. Hesperornithes
Indeterminate Ornithurine
Indeterminate Avian