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| Keywords: Nevadella perfecta USNM PAL 60083.jpg width 100 - colspan 3 valign bottom align center <small>PAGE</small> - valign top colspan 3 Callavia perfecta Walcott align right 315 - valign top Fig 4 Natural size Specimens of the cephalon found in a parting of the shale Locality 61k U S National Museum Catalogue No 60082 The specimens represented here by figs 1-5 are from locality 61k Lower Cambrian Mahto formation; dark hard siliceous shale northeast base of Mumm Peak above Mural Glacier on the west side of Hitka Pass 6 miles 9 6 km in a direct line north of summit of Robson Peak and northwest of Yellowhead Pass in western Alberta Canada </div> Charles D Walcott Cambrian Geology and Paleontology II Smithsonian Miscellaneous Collections Volume 57 Publication 2270 City of Washington Published by the Smithsonian Institution 1914 Inlcuding Charles D Walcott New Lower Cambrian Subfauna Smithsonian Miscellaneous Collections Volume 57 Number 11 Publication 2185 City of Washington Published by the Smithsonian Institution July 21 1913 Creator Charles Doolittle Walcott 1913/14 PD-old-80 Walcott Cambrian Geology and Paleontology II extracted images Nevadella | ||||
