现在,同样的经历再次让古生物学家碰上了,不过这次相反。他们不是找到了一个与古兽相同的活化石,而是找到了一个跟现代兽类相同的真正化石。
The fossil in question, a 100m-year-old specimen from north-east Brazil, belongs to the genusSchizodactylus.
所讨论的的化石采自巴西东北部,是一亿年前的标本,属于节肢动物类。
These are large, carnivorous, cricket-like insects whose feet splay out wildly in differentdirections.
这类节肢动物是大型类似板球的食肉昆虫,其足向不同方向伸展开来。
Modern Schizodactylus use their feet like snowshoes, to help them remain stable as theytravel over sandy terrain in search of prey.
现代节肢动物在沙地爬行寻找猎物时用它们雪鞋般的脚来帮助身体保持稳定。
If the new fossilwhose discovery has just been published in ZooKeys by Sam Heads of theIllinois Natural History Survey and La Leuzinger of the University of Fribourg, inSwitzerlandwere merely similar to modern splay-footed insects, the find would not beparticularly surprising:
如果新化石其发现刚由伊利诺斯州自然史调查的负责人山姆和瑞士弗里堡大学的李?劳伊辛格发表在《动物图谱》上仅是类似现代的八字足昆虫,那么这个发现不会特别令人惊讶:
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