A recent paper not yet mentioned:
Ismar de Souza Carvalho, Manuel Alfredo Medeiros, Roseane Ribeiro Sarges, Denise Carla da Silva Mendes, Rossano D. L. Michel, Claiton M. S. Scherer, Bernardo de C. P. e M. Peixoto,, Heitor R. D. Francischini, Renato P. Ghilardi, Roberto Vasconcelos Marques, José Maria dos Reis Maia Filh & Hannah Souza Levy (2025)
Jurassic dinosaurs from Brazil: the footprints from Parnaíba Province, Mosquito Formation
Italian Journal of Geosciences 144(2): (advance online publication)
DOI:
https://doi.org/10.3301/IJG.2025.12 https://www.italianjournalofgeosciences.it/297/article-1222/jurassic-dinosaurs-from-brazil-the-footprints-from-parnaiba-province-mosquito-formation.html
Dinosaur footprints in the Parnaíba Province, Brazil are so far restricted to the Corda Formation (Upper Jurassic) and Itapecuru Formation (Lower Cretaceous). They are interpreted as predominantly belonging to theropods. In this study, fossil footprints are reported in sandstones from the Mosquito Formation (Lower Jurassic), municipality of Fortaleza dos Nogueiras, Maranhão State, Northeastern Brazil. The footprints occur in sedimentary succession interpreted as an aeolian-lacustrine environmental context (Macapá Member) representing the first deposits of the Mosquito Formation. The new ichnosite of Tangará Ecopark represents to date the most important occurrence of dinosaur tracks from the Brazilian Jurassic, with a large number of footprints allowing new insights into the dinosaur record from Brazil and new perspectives on their diversity and environmental distribution.