| − | '''Trilobites''' are an extinct form of [[Arthropods]]. These creatures had segmented bodies, jointed legs and antennae. They came in a wide variety of sizes ranging from being under a millimeter long to being over two feet in length. [[Evolution]]ists believe that trilobites existed over 300 million years ago. | + | '''Trilobites''' are an extinct form of [[Arthropod]]. These creatures had segmented bodies, jointed legs and antennae. They came in a wide variety of sizes ranging from being under a millimeter long to being over two feet in length. [[Evolution]]ists believe that trilobites existed over 300 million years ago. |