英和和英

出典:『Wikipedia』 (2011/05/31 21:31 UTC 版)

英語による解説

引用

Sinodelphys, also known as Chinese opossum, is an extinct mammal from the Early Cretaceous. To date, it is the oldest metatherian fossil known, estimated to be 125 million years old. It was discovered and described in 2003 in rocks of the Yixian Formation in Liaoning Province, China, by a team of scientists including Zhe-Xi Luo and John Wible.