Cruxicheiros was a large theropod, but the known material is very limited.

Ten thousand gees would suck any known material, no matter how strong, toward and into the ball.

Due to such sharp blade, the sword can cut through any known material.

"There's no known material that can hold these gases."

Instead, the apparatus must be calibrated, using a known standard material.

It is therefore possible that the known material contains more species belonging to Plateosaurus.

It may be possible some day," he said, "but not at present with any known material.

Someone out there should recognize it even if we don't have a known material for comparison.

All known materials strong enough to serve were too heavy for the job.

The only other known material to exhibit this behavior was oil.