德国科学家近日在图林根州宣布发现了一条大型千足虫的化石。从化石判断，这条生活在２９６亿年前的千足虫大约有２３米长、半米宽，迄今世界上还无此先例。千足虫属于节肢动物门多足纲，是地球上最古老的陆地动物之一。这类动物的后裔是蜈蚣，如今仍然遍布全球。但即... German scientists recently announced in Thuringia found a large miner’s fossils. Judging from the fossils, the millipede, which lives 296 million years ago, is about 2.3 meters long and half a meter wide. So far there is no such precedent in the world. Millipedes belong to the arthropod phylum, and are one of the oldest land animals on earth. The descendants of these animals are centipedes and are still found all over the world. But ...