阿根廷：世上最大的恐龙？

正在阿根廷工作的古生物学家日前发现的恐龙化石可能是世界上最大的恐龙化石。新发现令人兴奋不已。某农场工作者在阿根廷La Flecha近郊发现了9500万年前的恐龙化石，其中包括7只相同的长脖子、身形笨重的恐龙物种的150多块骨头化石。更喜人的是，这批恐龙化石可能是科学界的新课题。在同一地点出现如此众多的物种，可能会为恐龙的成长、生态和行为带来更深入细致的见解。

然而使这一新闻登上头条的原因是恐龙化石的巨大尺寸。媒体的照片显示，古生物学家的身长相当于恐龙大腿骨的长度，从这根骨头的大小进行初步判断，新型恐龙约长130英尺，重77吨。若估算精确，这种巨型恐龙将成为人类目前已知的最大恐龙。

Paleontologists working in Argentina have uncovered the bones of what may be the largest dinosaur ever. the new find is certainly worth getting excited about. Found by a farm worker in the vicinity of La Flecha， Argentina， the 95 million year old site contains over 150 bones belonging to seven individuals of the same long-necked， heavy-bodied species. Even better， the dinosaur might be new to science， and the presence of so many specimens in one spot could yield detailed insights into the growth， ecology， and behavior of the dinosaur.

But the dinosaur’s massive size is what has catapulted it into the headlines. Press photos show paleontologists posing for scale against a femur - an initial estimate from one such bone suggests that the new dinosaur was 130 feet long and weighed 77 tons. If accurate， this would make the titanosaur the top contender to the biggest dinosaur yet known.

（Source： http：//news.nationalgeographic.com/）