"Many of the Cambrian fauna , still survive today , all looking much like they did over 500 million [ ET * * ] years ago ."
"Actually , not at all true . The organisms of the Cambrian look little like modern animals . It is only the major phyla that are recognized by the derived characteristics . For example , the cordates first arise in the early Cambrian , along with primitive inverebrates . You can safely say that no animal living today looks much like any living then . For example , there were no amphibians , no reptiles , no insects , no birds , and of course , no mammals . Your shotgun approach is n't actually worth answering in any detail . It is n't even your work ."
"Many of the Cambrian fauna , still survive today , all looking much like they did over 500 million [ ET * * ] years ago ."
"Actually , not at all true . The organisms of the Cambrian look little like modern animals . You can safely say that no animal living today looks much like any living then ."