Paleontology - news

Barikibu waridza is the name of a new pterosaur descripted from Brazil. It also seems to be the first testimoniation of a dinosaur rigurgit.

R.V. Pêgas et al. 2025. A regurgitalite reveals a new filter-feeding pterosaur from the Santana Group. Sci Rep 15, 37336; doi: 10.1038/s41598-025-22983-3

Updates: It appears that the fossil remains have been misinterpreted. According to rumors, the new genus of pterosaur is actually an actinopterygian fish. We await confirmation.

Reinterpretation of Bakiribu waridza from the Romualdo Formation (Lower Cretaceous) of Brazil: a fish not a pterosaur David M. Unwin, Roy E. Smith, Samuel Cooper, David M. Martill bioRxiv 2025.12.10.693067; doi: https://doi.org/10.64898/2025.12.10.693067