Acrean fish diversity back in time: Paleoichthyology of the Rio Acre fossil fauna in Brazil
Gustavo A. Ballen, Karina Alencar, Fellipe Pereira Muniz, Edson Guilherme, Leonardo Aldrin, Silvia Oliveira Lomba, Lucas R Dias-Costa, Annie Schmaltz Hsiou
The paper reports new fossil fish taxa from the Rio Acre locality in Brazil, showing ecological conservatism in Amazonian fish assemblages during the Neogene.
bioRxiv · Oct 2, 2026 · PreprintPaleontology