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The Allen Formation is a geological formation in Argentina whose strata date back to the Late Cretaceous (middle Campanian to early Maastrichtian. Dinosaur remains are among the fossils that have been recovered from the formation.
Contents
Dinosaurs
Dinosaur eggs are known from the formation.
Pterosaurs
Fragmentary fossils are known from the formation.
Mammals
The mammal fauna of the Allen Formation is known from seven teeth, which document the presence of several species.
References
Allen Formation Wikipedia(Text) CC BY-SA