New Species Fossil Records Ancient Species Extinct Species Extinction Taxonomy Fossil Record Tyrannosaur Evolution Social Behavior Peirosauridae Fossil Analysis Fossil Evidence Australopithecus Species Iberian Peninsula Phorusrhacids Predatory Mammals Dyrosauridae
Based on 121 Hadar fossils, the study places the snout-bossed ambush predator in a distinct East African crocodile lineage.