Walcott's Lower Cambrian Olenellid trilobite collection 61K, Mount Robson area, Canadian Rocky Mountains
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02a0014685;0-660-14351-8;20011205d1992 ekmy0engy01;eng;a z 000yy;r;Walcott's Lower Cambrian Olenellid trilobite collection 61K, Mount Robson area, Canadian Rocky Mountains;W.H. Fritz;Ottawa;Minister of Supply and Services Canada;1992;65 p., 17 p. of plates;ill;Bulletin;Geological Survey of Canada;no.432;2001b;aBulletin ; fGeological Survey of Canada ; vno.432;加拿大落基山罗布森山地区的61K部分沃尔科特下寒武统Olenellid三叶虫的搜集;a556.1;Fritz;W.H.;101;451870 ; 451871;P;254.1;G29c;v432 ; r381.48;a03;b2;cP