Definition: "Anthracosaurus" refers to a type of dinosaur from the Mesozoic era known for being the largest land animal ever discovered. It was characterized by its massive body, sharp claws, and powerful jaws, making it an iconic creature in science fiction. Definition: "Anthracostrata," a Greek term meaning "large," is used as a word for the massive dinosaur species known as Anthracosaurus. The term comes from Greek roots that mean "big" (anthraktΓ³s) or "large," which describes its size and sizeable body.