巨龟化石出土

Giant Turtle Fossils Are Discovered

科学家发现了一种巨大龟类的新化石。它们几乎有一辆中型汽车那么大。虽然这些巨龟早已灭绝,但龟壳和其他身体部分的一些碎片还在,并形成了化石。这些化石能帮助科学家们进一步了解生活在久远时代的生物。这种巨龟生活在南美洲的河流和湿地中。龟壳前部长有非比寻常的角。科学家推测,龟身上罕见的角,可能是雄龟与雄龟在搏斗时用来保护它们巨大的头骨的。它们还与比自己体形大三倍的巨鳄搏斗。一些出土的龟壳化石上有咬痕,甚至还有一颗鳄鱼的牙齿嵌在壳中。

Scientists found new fossils of a huge type of turtle.They were almost the size of a medium-sized car.All these giant turtles died long ago,but some of their shells and other parts stayed around.These parts became fossils.Fossils can help scientists learn about creatures that lived long ago.