The interior of São Paulo was a 'nursery' for crocodilians between 90 and 70 million years ago, study indicates
Research reveals that during the Late Cretaceous, the region now known as Presidente Prudente served as a nursery for crocodilians, with significant fossil findings.
A recent study highlighted the discovery of the largest recorded nest of crocodilian eggs, totaling 83 fossils, found in the municipality of Presidente Prudente, São Paulo. This research, led by paleontologist Giovanna Moraes Xavier da Paixão and conducted under the guidance of Willian Roberto Nava, unearthed these fossils at the José Martin Suarez Paleontological Site, which has been dated to approximately 87 million years old. This site showcases a rich fauna from the Late Cretaceous period, including not only crocodilians but also a variety of birds, turtles, fish, and carnivorous dinosaurs, reflecting a biodiverse ecosystem from a time when this area was part of the Bauru Basin.
The significance of these fossilized eggs is profound, as they provide new insights into the reproductive behaviors of crocodilians, which are important for understanding the ecological dynamics of the time. The findings have been crucial in shedding light on the nesting habits and habitats of these ancient reptiles, contributing valuable information to the field of paleontology. This discovery not only enriches the paleontological record of Brazil but also emphasizes the region's importance during a pivotal geological era known as the "Age of Dinosaurs."
As researchers continue to analyze the fossils found in the José Martin Suarez Paleontological Site, there is anticipation for further revelations regarding the life forms that thrived in Brazil during the Late Cretaceous. This work not only underpins the historic biological diversity of the region but also enhances our understanding of prehistoric climatic conditions and the environmental factors that supported such a diverse range of species.