Bakker theorizes that the arms may have been used to communicate with a wave or a dance. Or perhaps its fingers were sensitive enough to pick up sound waves from the ground, allowing the creatures to communicate with others miles away by stomping.
ridiculous, its obvious it use it to type on a keyboard
Maybe it was a construction worker, a flagasaur, and worked at Slate rock and gravel. There were lots of intelligent prehistoric animals well doccumented on the Flinstone movies, which were recovered from a cave and thought to be millions of years old....
"Make no mistake about it: if any one of you thinks of himself as wise...then he must learn to be a fool before he can be wise. Why? Because the wisdom of this world is foolishness to God." (1 Cor.3:18).