Location of Aachenosaurus and Alvarezsaurus
Dinosaur fossils have been found on every continent of Earth, including Antarctica. Fossils help us understand what the dinosaurs were like. Information can be gathered from sources such as fossilized bones, footprints, stomach stones, feces, internal organs, soft tissues, eggs and feathers.Fossils of Aachenosaurus and Alvarezsaurus will help us to compare them, group them and also know Facts about Aachenosaurus and Alvarezsaurus. Location of Aachenosaurus and Alvarezsaurus provides us the information about place where fossils of these dinosaurs were found. The Aachenosaurus was present in 84 million years ago. The era of its living is Late Cretaceous. The fossils of the same where found in the year of 1888-01-01 (1888). The discovery was named by Gerard Smets. On the other hand, the living era of Alvarezsaurus is Cretaceous. Approx 86 - 83 million years ago they have known to have existed. The remains were found in the year of 1991-01-01 (1991). It was named by José Bonaparte .