Show utah yields rare fossils washington fossil deposits of tho iha earliest known animal life on earth dating back between one ad two billions of years furnished the material for auld ft rd work in utah and montana from aich which dr charles E resser and erwin R pohl smithsonian pal have just returned these are found in the Camb cambrian riall rocks the consist malany of trilobites bites a crustacean line which became extinct about the time the coal measures were deposited their closest modern i relative Is the brine scrimps shrimps those aurous creatures co abundant in the greet great salt lake and in the dead sea A billion and a halt half years ago these trilobites bites were the dominant life in the pa there being so tar far as is known a 3 lano land animals up to the present allme athrie about 2000 different kinds of the theia i are known from the cambrian aloer |