Story perspectives

New Fossil Reveals Pterosaur-Dinosaur Interactions in Brazil

11/11/2025

50 11

Summary

Story summary

In the Romualdo Formation, pterosaurs were likely consumed by spinosaurid dinosaurs and regurgitated with fish, signaling a complex ecology.
The fossil assemblage, preserved in a wackestone concretion, supports the regurgitalite interpretation from bone alignment and condition.
The newly identified genus Bakiribu exhibits filamentous teeth and filtering capabilities that bridge traits between earlier and later ctenochasmatids.
This research enhances understanding of pterosaur interactions and environments during the Lower Cretaceous in Brazil.

1 of 1

Story summary

In the Romualdo Formation, pterosaurs were likely consumed by spinosaurid dinosaurs and regurgitated with fish, signaling a complex ecology.
The fossil assemblage, preserved in a wackestone concretion, supports the regurgitalite interpretation from bone alignment and condition.
The newly identified genus Bakiribu exhibits filamentous teeth and filtering capabilities that bridge traits between earlier and later ctenochasmatids.
This research enhances understanding of pterosaur interactions and environments during the Lower Cretaceous in Brazil.