New Cretaceous Mammal Fossil Sheds Light on Evolution of Middle Ear

Researchers from the Institute of Vertebrate Paleontology and Paleoanthropology(IVPP)of the Chinese Academy of Sciences and the American Museum of Natural History(AMNH)have reported a new species of multituberculate–a type of extinct Mesozoic"rodent"–with well-preserved middle ear bones from the Cretaceous Jehol Biota of China.The findings were published in Nature on November 27.