Paleontologists have performed a comprehensive anatomical reassessment of the fossilized remains of two coelurosaurian theropod dinosaurs from the Early Cretaceous of South America: Santanaraptor placidus and Mirischia asymmetrica. Hypothetical reconstruction of Mirischia asymmetrica (left) and Santanaraptor placidus (right) disputing a lizard in what is now northeastern Brazil approximately 112 million years ago. Image credit: Guilherme Gehr. Santanaraptor...
