Researchers have discovered a new ancient lizard with a remarkable adaptation: four eyes. It's the first known jawed vertebrae to have the distinct feature. The extinct Saniwa ensidens, a monitor ...
A long-tailed monitor lizard with four eyes that walked the Earth about 49 million years ago offers researchers new insights about the lizard's "third eye." The remains of the now-extinct animal known ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results