TY - BOOK ID - 138195917 TI - Trilobites of the Upper Cambrian Dunderberg shale, Eureka District, Nevada AU - Palmer, Allison R. AU - Geological Survey (U.S.) PY - 1960 PB - Washington : United States Department of the Interior, Geological Survey, DB - UniCat KW - Paleontology KW - Trilobites KW - From 500 to 570 million years ago KW - Nevada. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138195917 AB - ER -