Summary
Paleontologists have identified a new species of proterochampsid, Chanaresuchus ischigualastensis, within the early Late Triassic Ischigualasto Formation in Argentina. This discovery sheds light on the evolutionary relationships between crocodile-like archosauriforms and the crown group Archosauria, challenging long-held assumptions about their phylogenetic connections. The research employed detailed morphological analysis of fossil specimens to establish the new taxon, contributing significantly to our understanding of prehistoric ecosystems in the region. The Ischigualasto Formation serves as a critical window into Triassic biodiversity.
Citation
Trotteyn, M. J., Martínez, R. N., & Alcober, O. A. (2012). A new proterochampsidChanaresuchus ischigualastensis(Diapsida, Archosauriformes) in the early Late Triassic Ischigualasto Formation, Argentina. Journal of Vertebrate Paleontology, 32(2), 485–489. https://doi.org/10.1080/02724634.2012.645975