巨大的动物

• The area where it was found had been a deep tropical bay during the jurassic period . the world ' s relatively shallow seas between 230 million and 65 million years ago contained several large animals , such as the plesiosaur with a 20 - foot neck and the giant ichthyosaurs that could be 75 - feet long
  报道说，在2 . 3亿年至6500万年前，世界一些浅海地区曾生活着一些体型巨大的动物，如脖子长达20英尺约合6 . 01米的蛇颈龙以及身长可达75英尺约合22 . 86米的巨大鱼龙等。