Triassic Megapredator Found with 4-Meter Prey Inside Its Stomach
A 240-million-year-old Guizhouichthyosaurus fossil from China preserves the remains of a 4-meter Xinpusaurus xingyiensis in its stomach, providing the oldest clear evidence of megafaunal predation by marine reptiles and suggesting that large prey was common in Middle Triassic oceans.