TY - BOOK ID - 133964171 TI - Second contribution to the studies on the Cambrian faunas of North America AU - Walcott, Charles D. AU - United States. PY - 1886 SN - 0665147473 PB - Washington : Government Printing Office, DB - UniCat KW - Arthropoda, Fossil KW - Arthropoda, Fossil KW - Paleontology KW - Arthropodes fossiles KW - Arthropodes fossiles KW - Paléontologie UR - https://www.unicat.be/uniCat?func=search&query=sysid:133964171 AB - ER -